OpenTechnical

OT-2026-000013787

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000013787) never changes.

Identity and time

Publication numberOT-2026-000013787 · never reused
Internal UUID01a0ae6d-8de9-73c0-baa9-22738284b985 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013787
StatusPUBLIC

Content hashes

Canonical text4513b47b7f6bee7441a8735b71db3a1aa8d1b1d8287e4a80a6b2df7d6f5f54be
Markdownd3f39474317615e3187937afeb8b386ac1cd2f38a6f6e726c02caa7c1d0ae023
PDF
Publication page1b5196f4c5b361523f0ab00bc5d2bafe6fe38a5c306d1479dff7089d86b5094b
Manifesta8ea7ea639d95cf62eeef3933dc536ef947d552b9bd930b03117973aa5d64177

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
SignaturecevBwqjXeyoZBklWSEyGdcJN/bGho+lVc+eSckRI37EVNZ+UNfkxN4cyIlo2FxpgQn1JvcMqt0vKTE9WpSVVAg==
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

2026-09-17T12:08:52.438075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013787
observed 1b5196f4c5b361523f0ab00bc5d2bafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.418146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013787/manifest.json
observed a8ea7ea639d95cf62eeef3933dc536ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.399331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013787/publication.md
observed d3f39474317615e3187937afeb8b386a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.381110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013787/publication.txt
observed 4513b47b7f6bee7441a8735b71db3a1a...
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.