OpenTechnical

OT-2026-000073488

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000073488) never changes.

Identity and time

Publication numberOT-2026-000073488 · never reused
Internal UUID01a0ae92-efb9-771c-ab84-ed182bbda02b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073488
StatusPUBLIC

Content hashes

Canonical textf0bfbb306dbb8a8cbac4ce3c2e4b06253ab11ff0e4d62850f64cee15fa4774b2
Markdownf4225cd78f2c8ee3bceddf6dc8064feb79e77ce0d55d13e63fbeb70c57c9df99
PDF
Publication pagebb032b97da7204578028d5f08e0909b003fa399d8c4e5428d395cb9f03ca6b9b
Manifestcdba0d361374d27b68cb7a1812006da7367c8a1e764121df4ca1e622e1d6b34a

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
SignatureOCQteBjGGmy1hPp+ddzkLmugfLFWzkmIitwXJGi0nG/eA0nS8qy5n+IH7Nppz3sFx47QotVcY0th7CxGp9M3BA==
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

2026-09-17T10:21:39.502227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073488
observed bb032b97da7204578028d5f08e0909b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.485473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073488/manifest.json
observed cdba0d361374d27b68cb7a1812006da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.467279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073488/publication.md
observed f4225cd78f2c8ee3bceddf6dc8064feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.449922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073488/publication.txt
observed f0bfbb306dbb8a8cbac4ce3c2e4b0625...
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.