OpenTechnical

OT-2026-000049263

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000049263) never changes.

Identity and time

Publication numberOT-2026-000049263 · never reused
Internal UUID01a0ae81-134f-7d2b-91cd-1ec5ec818f9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049263
StatusPUBLIC

Content hashes

Canonical texta6237c55fe24716013a397c2ae6d97a25a3fe61a96aece25b1bb609ebc8ff50b
Markdowna082670dba55c33f8b7314b9a2e3809d38e3b13708cee68e557b211cf223c0bc
PDF
Publication page488de5e3488b0e4d87fcdf61735b98c858b5bc4c77d4fe03c500406105921ba1
Manifest4362b67b13db778c8cf85f5a6af14f581bd4927880ca3917793534c01d3596cf

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
SignatureiiEJrp0gECycOOhBBT+Jk6Gn8cSgbjM4q45gf0ZyPTw2SV2bX24EGT4Qc0/Ygl37aJwtPWEFAefBvd2ONGR+Dg==
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

2026-09-17T11:04:06.856600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049263
observed 488de5e3488b0e4d87fcdf61735b98c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.837597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049263/manifest.json
observed 4362b67b13db778c8cf85f5a6af14f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.817554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049263/publication.md
observed a082670dba55c33f8b7314b9a2e3809d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:06.798537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049263/publication.txt
observed a6237c55fe24716013a397c2ae6d97a2...
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.