OpenTechnical

OT-2026-000012279

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000012279) never changes.

Identity and time

Publication numberOT-2026-000012279 · never reused
Internal UUID01a0ae6d-39f5-7ac4-ae17-9eeef68e10fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012279
StatusPUBLIC

Content hashes

Canonical textdfc6420aaf2f04b05dbb09f86a6669fee0d2a68f93d5966cc48aac3973438178
Markdowncaf6edcec388bd10bdb5a505343dd9da4ce7fb405df8f1699efe734e125aa6a7
PDF
Publication page4b8c929e571e16e33dc1b4ffb769111fc41d0830bf712c0587e1d019ee2f26ad
Manifest7e3abb47508890ceb16eeeaf146f7cae75f05f251bb05a2a2845f3b57632db70

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
SignaturegHjhkdRIASQZPLBkzCxJ0N86sjm2SI8SZXeTc+8lRiMkmHu37ISAQFahSeHPkiwC2CWtnuR4Pyl965DvT6tWCA==
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

2026-09-17T12:11:13.056154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012279
observed 4b8c929e571e16e33dc1b4ffb769111f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.036187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012279/manifest.json
observed 7e3abb47508890ceb16eeeaf146f7cae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.016854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012279/publication.md
observed caf6edcec388bd10bdb5a505343dd9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:12.995748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012279/publication.txt
observed dfc6420aaf2f04b05dbb09f86a6669fe...
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.