OpenTechnical

OT-2026-000069803

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069803) never changes.

Identity and time

Publication numberOT-2026-000069803 · never reused
Internal UUID01a0ae91-185f-72b7-a83f-2e4bd493cb75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069803
StatusPUBLIC

Content hashes

Canonical text31b16a148bb93fea66cd660648294d5cfa10930ed82b668f1b8d32add85a553a
Markdown7a71a6889578acb0e1ac4e08c64aec722991703120f384441d24aefdb78401f4
PDF
Publication page2e49ff4d17d4ccaf38eaa8bd280d78cb264e5a267015e972f3d2e2d3afa4cbc3
Manifestd19b285c10c96bfd4f1fc55010f3559c7d7081456daee6521233cc56179938e5

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
SignatureYGxr7zj2tv3yfJZ0NO41Q5ni6TXImqWI2v8ST/hSOKzeRD9tQOPQn3uvZK7D9/kgPos1IH8DN75H4B6TSgQZAA==
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

2026-09-17T10:26:38.121577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069803
observed 2e49ff4d17d4ccaf38eaa8bd280d78cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.103299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069803/manifest.json
observed d19b285c10c96bfd4f1fc55010f3559c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.085183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069803/publication.md
observed 7a71a6889578acb0e1ac4e08c64aec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:38.068684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069803/publication.txt
observed 31b16a148bb93fea66cd660648294d5c...
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.