OpenTechnical

OT-2026-000020461

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000020461) never changes.

Identity and time

Publication numberOT-2026-000020461 · never reused
Internal UUID01a0ae6f-437b-757c-b007-30cb6e11080d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020461
StatusPUBLIC

Content hashes

Canonical texteb6a1e911896e36d9deec1498730051831f53bdee24787ba866728991d4f06c2
Markdown6438419be2b91139684e072c55537576f576553bda64301477718d8dd5f871f8
PDF
Publication page7f608ae2f2f5a94eab46e1856c19fed45f336b93f1ef5c613c8a15bd00e33c9a
Manifest92288d370029fe53a9f99a9cdd80715e7071b428960fad40f2bb701bc34e0e18

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
Signature44R1C/Qyt36uIrafeqIKwHxOyZvcO/CkkV7iDnMnzBNItTe8HnN8pkWiyuQwnKjqxBQpkXdLTV1c1MCHcYfmCg==
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

2026-09-17T12:00:23.648381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461
observed 7f608ae2f2f5a94eab46e1856c19fed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.628139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/manifest.json
observed 92288d370029fe53a9f99a9cdd80715e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.609480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/publication.md
observed 6438419be2b91139684e072c55537576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:23.592700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/publication.txt
observed eb6a1e911896e36d9deec14987300518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.295720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461
observed 7f608ae2f2f5a94eab46e1856c19fed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.276289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/manifest.json
observed 92288d370029fe53a9f99a9cdd80715e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.256988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/publication.md
observed 6438419be2b91139684e072c55537576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:27.238499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020461/publication.txt
observed eb6a1e911896e36d9deec14987300518...
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.