OpenTechnical

OT-2026-000005704

Publication integrity record

Vacuum cup gripper, two zone face, two outlet manifold, pump fed, vented before set down

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-2026-000005704) never changes.

Identity and time

Publication numberOT-2026-000005704 · never reused
Internal UUID01a0a942-0680-716e-b8e8-940bab2ca83b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:51.683238Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005704
StatusPUBLIC

Content hashes

Canonical text9a85ff80b7a28392233686be3c69deb8c196d7262ecd3ff9ad14ee2acc52297d
Markdownef75918614643d6ffb6974bae83455877457c595a906ce27966ccf01ea92a82f
PDF
Publication pageaee1110e3341c5af4e38033042139188644075526cdee393acea5b44e681844d
Manifestcfff53b03705f62e25028cebec1607bdf9f24f7dd2910dac709de6e64bec7eac

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
SignatureNb7dRTqqSlqD01hX7t8nlntlEdvlAWKx1fIGbtxkf3zAOusFA8pgFog+mWo+XLVbRUCvxJrSHVfSvJggvqwNCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:09.684382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005704
observed aee1110e3341c5af4e38033042139188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.668760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005704/manifest.json
observed cfff53b03705f62e25028cebec1607bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.654649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005704/publication.md
observed ef75918614643d6ffb6974bae8345587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.639576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005704/publication.txt
observed 9a85ff80b7a28392233686be3c69deb8...
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.