OpenTechnical

OT-2026-000065228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum 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-2026-000065228) never changes.

Identity and time

Publication numberOT-2026-000065228 · never reused
Internal UUID01a0ae8e-1dfa-7ef1-a04a-c7d18272f5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065228
StatusPUBLIC

Content hashes

Canonical text57c215372d2b52bcc435f7709752ade786b934baa2f6d3592dc5ae722a6ee567
Markdown73e1191f979bce236ed1de9d1817c15ae581f08f49bdba6cd4f5a495cb6b6691
PDF
Publication page85f4585104d20a684d7059695f196dab470b5a0a6ca237099f18ece4123dcec0
Manifestdfb48931a764ded361f984990896e7dbe2fce67babdf32170792eecff4182e3b

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
SignatureVC83fPKacHQ4sWUpxX94o/oS8Za7CGtwxymcgrwUowgtIlPkdyd971uj9e9p2vbB+kaKKMAp0aLGOjto6HGiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:05.006240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065228
observed 85f4585104d20a684d7059695f196dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.989491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065228/manifest.json
observed dfb48931a764ded361f984990896e7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.971397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065228/publication.md
observed 73e1191f979bce236ed1de9d1817c15a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:04.954370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065228/publication.txt
observed 57c215372d2b52bcc435f7709752ade7...
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.