OpenTechnical

OT-2026-000007948

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000007948) never changes.

Identity and time

Publication numberOT-2026-000007948 · never reused
Internal UUID01a0ae6a-908b-782a-92f2-2680a4a1b954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007948
StatusPUBLIC

Content hashes

Canonical text1c240b1b493bfd03a8dc142b3758ff0d9c94bd295c96f2b15047db4137425fd5
Markdownf903a29fa45c9685818830a255b393e031071cf7ed4df904f1d5f887dbb35dad
PDF
Publication page7b33a03c06968ef3f9fa40696d5df331d7458e61ebe39d1d8437447525de17cc
Manifest6828bcf6485e9ac3eae91afe6226540c8a322ad7ec683e230712f02531e6fb24

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
SignatureJTBg0RDK/bvj2ehrC0DueWhFkWBKTf+DXc70finZ43ACRmcpUUia4GSDl52VB5rywwV/1nWh4O3Nzl7gyIo6CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:27.299705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948
observed 7b33a03c06968ef3f9fa40696d5df331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.282645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/manifest.json
observed 6828bcf6485e9ac3eae91afe6226540c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.262063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/publication.md
observed f903a29fa45c9685818830a255b393e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.244064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/publication.txt
observed 1c240b1b493bfd03a8dc142b3758ff0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.833335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948
observed 7b33a03c06968ef3f9fa40696d5df331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.816095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/manifest.json
observed 6828bcf6485e9ac3eae91afe6226540c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.795622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/publication.md
observed f903a29fa45c9685818830a255b393e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.775638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007948/publication.txt
observed 1c240b1b493bfd03a8dc142b3758ff0d...
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.