OpenTechnical

OT-2026-000072573

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line 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-2026-000072573) never changes.

Identity and time

Publication numberOT-2026-000072573 · never reused
Internal UUID01a0ae92-89d8-7e31-b827-81b363938aa3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072573
StatusPUBLIC

Content hashes

Canonical text47ac9cf8b4754abbaa882c9f9c1fb14ae6e696a4f74f363ec8bdcc41c0ef9ef2
Markdown77a4797ea36335f6922f19328b68ae28f0aa229ad614d2cd3dd019e326d8839e
PDF
Publication page0902b4cac2da40f9408cc0a68e8447893423ec5a0d5144f4a7f5ec3b38a0295d
Manifestd9c5b43fea68305b55690e7e5155c5168d6a8bc2780826374fbcd173dba37fae

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
SignatureOyKynxGWenQjRLkSp/wDLFrIJSJTUBUoGqEmdGXTvVKEt/SIYHBnjSNndAj+dP9UVAk5AqCPvUDyYsZcaMGeCA==
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

2026-09-17T10:22:24.764653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072573
observed 0902b4cac2da40f9408cc0a68e844789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.742694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072573/manifest.json
observed d9c5b43fea68305b55690e7e5155c516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.724719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072573/publication.md
observed 77a4797ea36335f6922f19328b68ae28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.707154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072573/publication.txt
observed 47ac9cf8b4754abbaa882c9f9c1fb14a...
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.