OpenTechnical

OT-2026-000045513

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000045513) never changes.

Identity and time

Publication numberOT-2026-000045513 · never reused
Internal UUID01a0ae7d-8f01-77bf-be47-15ef05b47030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045513
StatusPUBLIC

Content hashes

Canonical text38df542e7fb8d6f54b39abf69f433c98a5a19c261d08da147dbfcd8a00bbf926
Markdown4912d6dd3a7a3ee3b4aac64bdb233911d6a93ed92bc0ae71ed3646db1d49a480
PDF
Publication page1b9d0c3b27a2dac7176b3830709e478d958f7fb77f99f6cae4ecebd8aa1af9cc
Manifest765c2b26c2030446ec33dc78e8a0e815dcc90192d822f2bd38f92cd648a03221

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
Signature4on034vrVOh1SvZo+T1iRjPiPX/z9zktKJI6jifoVXe5qsh2NanZWXKSnMoCtmy4IFKEPiwDqlZhW1l2FTcIBw==
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

2026-09-17T11:09:15.198855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045513
observed 1b9d0c3b27a2dac7176b3830709e478d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.181284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045513/manifest.json
observed 765c2b26c2030446ec33dc78e8a0e815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.163995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045513/publication.md
observed 4912d6dd3a7a3ee3b4aac64bdb233911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.105298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045513/publication.txt
observed 38df542e7fb8d6f54b39abf69f433c98...
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.