OpenTechnical

OT-2026-000057235

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057235) never changes.

Identity and time

Publication numberOT-2026-000057235 · never reused
Internal UUID01a0ae87-d5bb-7862-9c8e-58274fae7215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057235
StatusPUBLIC

Content hashes

Canonical text3a79f25e9fb54107499027f29647d721a255a3b6a1b3ffc729c36bcf4be9b436
Markdown76a0eb5790609af72dc7e3fe745d4d58057a35fe2f0e20150e7aa90e7eaddfca
PDF
Publication pagedfad0aebc0fff1933bb5b25d447470b3d68e01d0fe57d237df49a74e7b396e27
Manifest5c2c4948851100c2ffe012768b1474eb45b1eb8ef9fa43a9895078e3605baef9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureYw2BzuoRGqEf8R/pIicvk0gVkMzbVRDnvpTp2wEDOFE01nVnU+eR2tPQLYKXEI0/i4fCH637rpXA7L9IH7zAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.771907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235
observed dfad0aebc0fff1933bb5b25d447470b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.751827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/manifest.json
observed 5c2c4948851100c2ffe012768b1474eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.736254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/publication.md
observed 76a0eb5790609af72dc7e3fe745d4d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.716473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/publication.txt
observed 3a79f25e9fb54107499027f29647d721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.375913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235
observed dfad0aebc0fff1933bb5b25d447470b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.354352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/manifest.json
observed 5c2c4948851100c2ffe012768b1474eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.334379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/publication.md
observed 76a0eb5790609af72dc7e3fe745d4d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:23.315985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057235/publication.txt
observed 3a79f25e9fb54107499027f29647d721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.