OpenTechnical

OT-2026-000049350

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000049350) never changes.

Identity and time

Publication numberOT-2026-000049350 · never reused
Internal UUID01a0ae81-1350-7e99-be18-c35df9630493 · 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-2026-000049350
StatusPUBLIC

Content hashes

Canonical text546b31621efb0ace1ad3e1d3dd0a714c3d1f88373106e7ca675d20c64c8cba10
Markdownce7bc55a2d0e22801b2291ebc43ae28866c1d9932c2867bf6a1f9839e388fb0d
PDF
Publication page6ce2a6a964fbcb497d667ac7303dbe8c73d7f4d644c68931b23d07c6c94ab9ab
Manifestded57b3f4efae00760088dda0ee186c2abb99ac67f4186484246b9c3463865dd

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
Signature+iCXeDq86tM2gLiiM5vM2bnxN6fnR2Dco1qX2MlDkQI6WK8AmsCIrh/5qmNnZ8ln4Tg19LjxVlp1M6RpJSwbDQ==
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

2026-09-17T11:04:14.091883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049350
observed 6ce2a6a964fbcb497d667ac7303dbe8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.072071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049350/manifest.json
observed ded57b3f4efae00760088dda0ee186c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.053598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049350/publication.md
observed ce7bc55a2d0e22801b2291ebc43ae288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:14.033814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049350/publication.txt
observed 546b31621efb0ace1ad3e1d3dd0a714c...
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.