OpenTechnical

OT-2026-000084151

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained 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-2026-000084151) never changes.

Identity and time

Publication numberOT-2026-000084151 · never reused
Internal UUID01a0ae98-5b5f-758e-8d8c-cd3316a080de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084151
StatusPUBLIC

Content hashes

Canonical text2c65a1f5c884e5170b49dd2d311ccc020484ea1e9e1a62823c012494bbea35aa
Markdown7534452b454954739dfbbc82100398849a8fb5011aeaad295fa3e9bb852b718c
PDF
Publication page37b0eef3791a9b8fbb86dc895b691f9026112750a6d599a07ee2cbac0c07f58e
Manifest1f2528d1bf6e27a6c9ebecb02e03fbdb00807280b8e0c45e05ec7106b6d01834

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
SignatureEqlyNXN/Yvd+afCtMj5RcN6DKyBlFLtG/8QVUAp1tK5SygWHo/aXzlGDHoxZsPdcduM982IO4RVysaHpknKyCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:55.152766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084151
observed 37b0eef3791a9b8fbb86dc895b691f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.136244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084151/manifest.json
observed 1f2528d1bf6e27a6c9ebecb02e03fbdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.119789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084151/publication.md
observed 7534452b454954739dfbbc8210039884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.101645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084151/publication.txt
observed 2c65a1f5c884e5170b49dd2d311ccc02...
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.