OpenTechnical

OT-2026-000007873

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000007873) never changes.

Identity and time

Publication numberOT-2026-000007873 · never reused
Internal UUID01a0ae6a-908a-79dc-85bb-1ea36f51152d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007873
StatusPUBLIC

Content hashes

Canonical texte013fcab4898089768cc40d6e7c37ee108daf88b4d38efa05377091f4d4fa2d8
Markdownaea28eebc2820c0881de6163b9e8c463d27d91f2d8015f212133ec6793766c49
PDF
Publication pagef89df6897ff87a7a677ca677d95860f462a7d00c11ffbaf6f31ad8cd1110d4b3
Manifest2753414acb86df422967dd25974abf313c9ef136031ebdc2bfb489659080a983

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
SignatureB5XGrpUR/ESApRIwvrf4d1EeE0AI3UJs8d59kFBDxn6KSh++SOm7Q8a3bidhIbwYTbNjXTNvKiLSx9HNCZiqBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.654342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873
observed f89df6897ff87a7a677ca677d95860f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.633656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/manifest.json
observed 2753414acb86df422967dd25974abf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.612021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/publication.md
observed aea28eebc2820c0881de6163b9e8c463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.594416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/publication.txt
observed e013fcab4898089768cc40d6e7c37ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.547500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873
observed f89df6897ff87a7a677ca677d95860f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.530382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/manifest.json
observed 2753414acb86df422967dd25974abf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.512538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/publication.md
observed aea28eebc2820c0881de6163b9e8c463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.494357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007873/publication.txt
observed e013fcab4898089768cc40d6e7c37ee1...
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.