OpenTechnical

OT-2026-000055179

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000055179) never changes.

Identity and time

Publication numberOT-2026-000055179 · never reused
Internal UUID01a0ae86-5e82-7a76-9c97-5d1f483d5378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055179
StatusPUBLIC

Content hashes

Canonical texta0fabd03ce9aba8b3fa2c1ab34ff75bf861843b60bba96eaacf2396032e15e34
Markdownf9b86b3d74bc51b50c4b0483aebd8885cb36b7fca16b0e7cf632091fac730d27
PDF
Publication pagebeb5205c167ce726203f7bb9925e03ba687e5a5c1167c14a52696f62e7b6bbd2
Manifestd5aad945457e30c2a2fda29e5d7d99197d2045ba62ba10a1f5e0460d425f371f

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
SignatureobIW30DBDm2e8iot/eLG80Sv88fsHTi0o4pWXhg9c6I0NVQKGggvG58a9LLU2h+02HpqoeNkLj3TOHYfIuHgCw==
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

2026-09-17T10:53:22.215471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055179
observed beb5205c167ce726203f7bb9925e03ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.199144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055179/manifest.json
observed d5aad945457e30c2a2fda29e5d7d9919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.181227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055179/publication.md
observed f9b86b3d74bc51b50c4b0483aebd8885...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:22.163417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055179/publication.txt
observed a0fabd03ce9aba8b3fa2c1ab34ff75bf...
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.