OpenTechnical

OT-2026-000048993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048993) never changes.

Identity and time

Publication numberOT-2026-000048993 · never reused
Internal UUID01a0ae81-134c-7c01-a665-13696df4e255 · 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-2026-000048993
StatusPUBLIC

Content hashes

Canonical text821c10e5c8b7cd01b32cc7861e620c1679ceacc1b61fb97a12aa17400a1ac8d2
Markdowna93eb4690ad3b54c742d4f29a2a47a488b123e02b3bb1241e4c200529234bdc3
PDF
Publication page52df5b1d14d4744e9bf5511677975a5eaeaf6c4de6bd444dd28278d2b399c608
Manifest04a42f0b37e979a2e318fa89a131630d7a950ea500f7778b0ef1975bd846b9da

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
SignatureEAdOD6TNSrFr0NGKhOiQ2uL2hTDZEX70wExSB19xsZRzOmHpV2lk1aHye2Tyq2iMU2GiuKvuTZijZslFMsJlCw==
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

2026-09-17T11:03:12.039177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048993
observed 52df5b1d14d4744e9bf5511677975a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.020373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048993/manifest.json
observed 04a42f0b37e979a2e318fa89a131630d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:12.002687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048993/publication.md
observed a93eb4690ad3b54c742d4f29a2a47a48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:11.985046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048993/publication.txt
observed 821c10e5c8b7cd01b32cc7861e620c16...
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.