OpenTechnical

OT-2026-000014641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000014641) never changes.

Identity and time

Publication numberOT-2026-000014641 · never reused
Internal UUID01a0ae6d-d093-76c7-8dc5-dedaeb975640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014641
StatusPUBLIC

Content hashes

Canonical textf4e3d9525894ee99b7042208535c53b13bba04c8176024080dd4929727b98455
Markdown8f412ad17b4e762bed137c80628c7a3bf0e843e5983f8b45b38f97518215e634
PDF
Publication page8dbc8f8548b74eab248d91516b6157d8b02349ee96fc7e4286ea8b32552c6b52
Manifest84bcde46cb9958e7273a1b8870fb71e33c8596a51ecbe35d974f2b960c6c9a9f

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
SignatureIPhvij6Ch23mXh0weEGM8y/to3IKyHfwCWa4KsR0dbGjU5sdnihH932A7BdL6U+d1hIqpEERGk3k/9ReBEjnDA==
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

2026-09-17T12:06:27.699155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014641
observed 8dbc8f8548b74eab248d91516b6157d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.680879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014641/manifest.json
observed 84bcde46cb9958e7273a1b8870fb71e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.663009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014641/publication.md
observed 8f412ad17b4e762bed137c80628c7a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:27.643589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014641/publication.txt
observed f4e3d9525894ee99b7042208535c53b1...
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.