OpenTechnical

OT-2026-000005453

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, contact triggered on the face

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-2026-000005453) never changes.

Identity and time

Publication numberOT-2026-000005453 · never reused
Internal UUID01a0a939-7d0a-7258-9844-eb0a794be714 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:58:32.205476Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005453
StatusPUBLIC

Content hashes

Canonical text363fc2d446c822fbb7f962cc8e08fed92ad5395c895adab4ed9df64e5efeaebb
Markdownece7aa3c7a3f91aaaf972a751d44c9ee8d50513818b2d5ce539df655a3a5cb6c
PDF
Publication pageba6718bb450ba31e0862d88d8ea9a6c123e3241740ab091908b78e849754e415
Manifest98d5bbeebff5ce4d88cdae9ca58958f12099c4050d18dfd097c38e38d9f7b396

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
SignatureKnvSnz7GiX57mzc3pWDhnZ3WDv0ympkeFWG/w7MQJj+IrVqN8MWr9njiLwe/jr21m7a8a+eJh0IJY9AI/pbyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:07.723963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005453
observed ba6718bb450ba31e0862d88d8ea9a6c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.710370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005453/manifest.json
observed 98d5bbeebff5ce4d88cdae9ca58958f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.694739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005453/publication.md
observed ece7aa3c7a3f91aaaf972a751d44c9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:07.678766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005453/publication.txt
observed 363fc2d446c822fbb7f962cc8e08fed9...
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.