OpenTechnical

OT-2026-000028120

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000028120) never changes.

Identity and time

Publication numberOT-2026-000028120 · never reused
Internal UUID01a0ae72-a520-7fbf-9ca8-87244b013021 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028120
StatusPUBLIC

Content hashes

Canonical texte85b7ebd7b25c36c2a2fd4724e344feb65b015e60b2055722c27aafc51f239bf
Markdown0375c194f2c644b22471b7bf49c43f491c53122b9bcd46fb3359a56a2292e0cc
PDF
Publication page0b47a7f825f14841c8b5eafb73a9ff7e0df60ff1023f832ac964dc4c868ac3e5
Manifestce13578b6096bcfed38851bfcdd0cabe56f8bd499c871470690eff37a6cb6b7c

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
Signature7Z6Rsj6qIsqukzN+eub0GZodq8/XysuwqH2ubszhHTbW4FynSG0eed8dLdGGdLh9/guypyCfOH4zYAxu9MBMCQ==
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

2026-09-17T11:42:12.341569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028120
observed 0b47a7f825f14841c8b5eafb73a9ff7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.324510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028120/manifest.json
observed ce13578b6096bcfed38851bfcdd0cabe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.300900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028120/publication.md
observed 0375c194f2c644b22471b7bf49c43f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.273576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028120/publication.txt
observed e85b7ebd7b25c36c2a2fd4724e344feb...
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.