OpenTechnical

OT-2026-000049197

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000049197) never changes.

Identity and time

Publication numberOT-2026-000049197 · never reused
Internal UUID01a0ae81-134e-7e58-8f8a-2a12490e5f4a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049197
StatusPUBLIC

Content hashes

Canonical text2d37f56fa52d0ce055fbd0fa90cc0feab57a9de2254389f1fe3b473498b10571
Markdownbd13610d31255bb988e9b899c41feee146558bce722b97bb8a0a060e8c4d7e49
PDF
Publication pagebe3a1a9419ceec1df7cd72ffaa866616fa4303c59836a026dbbe3a4a484618e4
Manifest8c71239cf06604f302c4fbf5098363008f103c3cc2aa92c03aeb85ce389d62dc

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
Signaturet0PYZ/sF0FN/aGTCwi1NZlYeCuOg+bYvIVMhzg0RB6c3woSBVTQ8p9BjEL5OffTeAk3o2nDcZSQuXV3t94UKCg==
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

2026-09-17T11:04:00.513519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049197
observed be3a1a9419ceec1df7cd72ffaa866616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.495065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049197/manifest.json
observed 8c71239cf06604f302c4fbf509836300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.476824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049197/publication.md
observed bd13610d31255bb988e9b899c41feee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.456311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049197/publication.txt
observed 2d37f56fa52d0ce055fbd0fa90cc0fea...
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.