OpenTechnical

OT-2026-000027498

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027498) never changes.

Identity and time

Publication numberOT-2026-000027498 · never reused
Internal UUID01a0ae72-6998-7d7c-b54f-a0ec6fe7e422 · 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-2026-000027498
StatusPUBLIC

Content hashes

Canonical text1b69fa12cbbfe951000e88e4d98647f09d8cc833d76641f6392bd5bb42b38f47
Markdown28b7e245bb7ff27b9399bdb24af1f1d9c8e2f75d01503ccbd3bdb413c2644405
PDF
Publication page012a704f1bf9677deb811d8bfd951e2afbc870356f499caf01b24445f2613f37
Manifest7bf30832a8ce98befe06c1a14c2112fa4e77907e796303cd2ea6186a1e451066

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
Signaturedm6HAyQsscLQ4TCBYUD0YEVbja8Ci+6uCUm0JkVVBATSzheo1cqEI+61Ac+Q4pHHb2eNEsLW6pg1ZBtBWUKGCw==
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

2026-09-17T11:42:58.044854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027498
observed 012a704f1bf9677deb811d8bfd951e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.024531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027498/manifest.json
observed 7bf30832a8ce98befe06c1a14c2112fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.004041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027498/publication.md
observed 28b7e245bb7ff27b9399bdb24af1f1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:57.986409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027498/publication.txt
observed 1b69fa12cbbfe951000e88e4d98647f0...
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.