OpenTechnical

OT-2026-000102087

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000102087) never changes.

Identity and time

Publication numberOT-2026-000102087 · never reused
Internal UUID01a0aea4-50f2-7e5d-b815-4e7071f29a16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102087
StatusPUBLIC

Content hashes

Canonical text4b7bdc58f8d978cc8f63330fcb8d9412e4e7d37afe211449fcbd82f26c6df74c
Markdown7af0d11a493e6edf4fdfbf2419184a870ecf9bcbb97c673f7a54b3b11232b1db
PDF
Publication page27787bc48b706d73054a99ba7a1234d7028fc59773059462c5be6e7c9914c5f3
Manifestb3fcc7c801946fb26e109841c23f333818698c0a33808eebb4aa6fea3cabfd43

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
Signature+nGS9RPUmz5BWyUKCHfWOtp1+tpuOodoNNDJH5uso/I0jAkqFpprmFcIl6MVYfA4/sAy3PuBjVieM8VbPXj9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:14.087483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102087
observed 27787bc48b706d73054a99ba7a1234d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.069494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102087/manifest.json
observed b3fcc7c801946fb26e109841c23f3338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.052061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102087/publication.md
observed 7af0d11a493e6edf4fdfbf2419184a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.033835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102087/publication.txt
observed 4b7bdc58f8d978cc8f63330fcb8d9412...
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.