OpenTechnical

OT-2026-000058683

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000058683) never changes.

Identity and time

Publication numberOT-2026-000058683 · never reused
Internal UUID01a0ae88-f39d-72ca-946d-3d370883a513 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058683
StatusPUBLIC

Content hashes

Canonical text1db079ca4ac9449c2d6039cd55db6a7a3f48379ecd2f542618098d749f0646df
Markdown43d6aa5f6acc2124f7eee2c62d48e47bc664fbe79c5fa0ddd86234c9baebd614
PDF
Publication pageb5b007b3cef81270a15664b42862cff04d04a6ceba0654521907e2c684296155
Manifest7c2d5e3bf0594989fed25e1f8910d4851aa87ed0829258f9331f2f425244b8cb

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
SignatureRI3or7RILURFPHW1DfP0jQ+UiPvV5rItdbVvPFpYoSWq6sOpWJrhxiaALQZsO/4k83SgNsuTTLrPiKUIxBbjAg==
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...

Independent retrieval

2026-09-17T10:47:12.240117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058683
observed b5b007b3cef81270a15664b42862cff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.223477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058683/manifest.json
observed 7c2d5e3bf0594989fed25e1f8910d485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.207615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058683/publication.md
observed 43d6aa5f6acc2124f7eee2c62d48e47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:12.190025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058683/publication.txt
observed 1db079ca4ac9449c2d6039cd55db6a7a...
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.