OpenTechnical

OT-2026-000080605

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000080605) never changes.

Identity and time

Publication numberOT-2026-000080605 · never reused
Internal UUID01a0ae96-7e79-72f1-aa46-15f66bb44131 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080605
StatusPUBLIC

Content hashes

Canonical text831181d463f3b90ec303344804e6978e9919ebdfb882e1494ec67299574b4dbe
Markdown1ea2da936a2ce41ff17fbd6cf7c584af9bfdcd8214a445c589f4f3da6b2d5895
PDF
Publication page6b5ae85eb910c67328ea10d5e36ae7ceda5253bff54352fec75bfec7416fcadb
Manifestbab68e53ba73e785cecb371656bae1439562363e039fa4b8b1691e0af1fe80c1

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
Signature2qV4Oba7VqFpeoM73lkVwRHLtju3T112lW86Obf/FdoMq0yPbvZVweIA0wbTJ+CDP/vqycdGcMQdbCgxbvW1CQ==
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

2026-09-17T10:03:14.567759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080605
observed 6b5ae85eb910c67328ea10d5e36ae7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.550129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080605/manifest.json
observed bab68e53ba73e785cecb371656bae143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.533900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080605/publication.md
observed 1ea2da936a2ce41ff17fbd6cf7c584af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:14.516284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080605/publication.txt
observed 831181d463f3b90ec303344804e6978e...
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.