OpenTechnical

OT-2026-000012863

Publication integrity record

Two bellows 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-2026-000012863) never changes.

Identity and time

Publication numberOT-2026-000012863 · never reused
Internal UUID01a0ae6d-5563-7695-8d82-362e2f118d8c · 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-2026-000012863
StatusPUBLIC

Content hashes

Canonical textd9110e59343e5281143036750e1f204c3ed40f4d961000468892e65c80dd010d
Markdown777c66df71022956d04018bc94f795b0dd06d44bbaa7293e1f70119c96a9c885
PDF
Publication page77f1c38af6b95141365dc8f77d862d956e8a64b276099cbe22bee440dc158ccc
Manifest87d0c15d560c5e82e7de8d442c0126760165cce19ec631c91e61f34db7faedeb

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
SignatureLKe/UjhEKhTIkzioxociKVBU4/O7gPZGKtBEjEtdVwjGSiGBSudNCqogIEmnAr7Gv9XfDgVpqZnqkvdl1rtcAg==
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

2026-09-17T12:10:38.687870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012863
observed 77f1c38af6b95141365dc8f77d862d95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.669220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012863/manifest.json
observed 87d0c15d560c5e82e7de8d442c012676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.648680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012863/publication.md
observed 777c66df71022956d04018bc94f795b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:38.630424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012863/publication.txt
observed d9110e59343e5281143036750e1f204c...
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.