OpenTechnical

OT-2026-000042979

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042979) never changes.

Identity and time

Publication numberOT-2026-000042979 · never reused
Internal UUID01a0ae7b-3277-7fe9-b1c0-255793b3cb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042979
StatusPUBLIC

Content hashes

Canonical text38d8cda5d41b3dfc29db856daa3b213f4cc92db759faa78797a0d7aa1e64019b
Markdownd8a36a4a64d75d2af1f074390c4ac9e238afc05318433d35a02b98c85f4d2fcb
PDF
Publication pagea92c699e8699bad34d2412e378af670369de48123f4c070aba2939a6f4d2b17f
Manifesta2109c5451a8a040beb5a43bd7b2c9e7ddb30655d5b3d3b736c9d7f4ac4c4788

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
SignatureXCWUSsI9Y8dyz+d3Sk83+G/sHZPLhA0n46rAV9V/JIaAqUA/9fmRfV8/dHvLQRidBOG0ce5CVZFskThm2fEtDA==
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

2026-09-17T11:13:16.754712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042979
observed a92c699e8699bad34d2412e378af6703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.735972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042979/manifest.json
observed a2109c5451a8a040beb5a43bd7b2c9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.717279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042979/publication.md
observed d8a36a4a64d75d2af1f074390c4ac9e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:16.697801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042979/publication.txt
observed 38d8cda5d41b3dfc29db856daa3b213f...
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.