OpenTechnical

OT-2026-000012895

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000012895) never changes.

Identity and time

Publication numberOT-2026-000012895 · never reused
Internal UUID01a0ae6d-5563-742d-a733-c0f197114ae6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012895
StatusPUBLIC

Content hashes

Canonical texteae89ae687a5d49ec18057e17ef24837b6471930811160033a48167db088434d
Markdown71b915d6143758a3a7e7e5327656e860b4ead35fff65d6074eb3223e4f4e8d6c
PDF
Publication page195f7e15c69d5c0cf918a2d3c649f6a1807798abe148d6d6f4079d698da3c731
Manifest12b89867e436ab7f02087209186bb06b414c3dafcb8c47af19c77b300239949f

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
Signatureg29hz2KrRB3nqEev7Gbhg/bDzxrGSEcLgS/i+1T9Q8/luppL4jEdbUaxlwfGFmKhXqrelfvKay8DDLWicEgUDA==
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

2026-09-17T12:10:41.052719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012895
observed 195f7e15c69d5c0cf918a2d3c649f6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.033443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012895/manifest.json
observed 12b89867e436ab7f02087209186bb06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:41.012264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012895/publication.md
observed 71b915d6143758a3a7e7e5327656e860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:40.992806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012895/publication.txt
observed eae89ae687a5d49ec18057e17ef24837...
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.