OpenTechnical

OT-2026-000027258

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000027258) never changes.

Identity and time

Publication numberOT-2026-000027258 · never reused
Internal UUID01a0ae72-6996-7f37-9db0-fa9c88354519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027258
StatusPUBLIC

Content hashes

Canonical text1c8b6e49205ae9d75b367327c1b1d6a58b729383bc42fce02461e2ec015f02a4
Markdown13c830d2b3a8dac7f13bba3bf98bd4703afcfa38e68f319e84a43f2422488125
PDF
Publication pageea167009297b6ee60b0d675e085c424475f1bcf95484173a64d00607411a96b0
Manifestdf0846579e65b9a11a730fef1f14bbde379e11c75d02b98bfdbeb85d73f2c5cc

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
SignaturebkEH5IUennd86P2jHdNcBveuhr2rctYN/mO7evBuHrheuoYvdrCDBvvr65KaHzWi6xVuW9WAFPq+s1Xb39VhBg==
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

2026-09-17T11:42:37.757320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027258
observed ea167009297b6ee60b0d675e085c4244...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.740563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027258/manifest.json
observed df0846579e65b9a11a730fef1f14bbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.724028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027258/publication.md
observed 13c830d2b3a8dac7f13bba3bf98bd470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.708033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027258/publication.txt
observed 1c8b6e49205ae9d75b367327c1b1d6a5...
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.