OpenTechnical

OT-2026-000027067

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000027067) never changes.

Identity and time

Publication numberOT-2026-000027067 · never reused
Internal UUID01a0ae72-3453-71be-a278-687ffde1c3da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027067
StatusPUBLIC

Content hashes

Canonical textfc1b213164a655921ffabc30deec9ad6f9e432712948887b36cd988060a130a6
Markdownbadf91691767a1c7ddf2dfb5ea2bcd75bcb9c2be0649f646dd93f62aa6f2147c
PDF
Publication pageaa27e4e44345d4a3ecb759ff7d0fcd6b2055c9e792842bf8bbee064842de5219
Manifest46976d7a186133c7b59b3645822e030ab4f1a9d3dca2459dd453ff1f99177c7b

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
SignatureXRsydnVJ+RIXWcWncij0RTBBTI0jrmnIdalqYorEX5sMzBAAWEFmLrouUn6OV8dMVgjQ2C1PHjpp666TxB0NDQ==
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

2026-09-17T11:43:49.764913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027067
observed aa27e4e44345d4a3ecb759ff7d0fcd6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.745564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027067/manifest.json
observed 46976d7a186133c7b59b3645822e030a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.728771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027067/publication.md
observed badf91691767a1c7ddf2dfb5ea2bcd75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.713712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027067/publication.txt
observed fc1b213164a655921ffabc30deec9ad6...
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.