OpenTechnical

OT-2026-000044426

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044426) never changes.

Identity and time

Publication numberOT-2026-000044426 · never reused
Internal UUID01a0ae7c-39d7-7b3f-8b9e-3f86b4b7a12b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044426
StatusPUBLIC

Content hashes

Canonical text9e01759068f2c222ea4e3260f649bc85c15052d3f7f97421ed78938e2a269d72
Markdown330d44927ea4fc72216100eb973cb9a10c8350ebe81b7350ee8f2cf68bc10f6e
PDF
Publication pagea79114b728501934491fb34b99d38430f5af43feec7f6ee0881ae7cce92acd76
Manifest1cd24815ab110b7addc9a29726e45e69c8031a5419593477a2d62aeb6f14fae8

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
Signature+Qfkk4OZtIihuNcmr8FjlVd2IvI2aVqnORYBOF1gzKfxCdZ10RoiypvL7blv2ZCi+acBCSOv/ihncM6kDCULDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T08:30:44.081774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044426
observed a79114b728501934491fb34b99d38430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.064541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044426/manifest.json
observed 1cd24815ab110b7addc9a29726e45e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.046789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044426/publication.md
observed 330d44927ea4fc72216100eb973cb9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:44.027937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044426/publication.txt
observed 9e01759068f2c222ea4e3260f649bc85...
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.