OpenTechnical

OT-2026-000089692

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089692) never changes.

Identity and time

Publication numberOT-2026-000089692 · never reused
Internal UUID01a0ae9c-1a22-7fb4-b667-b331acaeeb68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089692
StatusPUBLIC

Content hashes

Canonical text07fed4818d0a6329452b3d7ce3c69bfa3d0a03c530c6324892bf16f7d6747061
Markdowna4edef878fc172cef8034a9cd42a50a077a8b68481878cf8237e3fa9c4af1a2b
PDF
Publication paged8911dba909c2f4320d6dc3623741dfed39b5c4a99f3e06185128e30abd406f5
Manifest2f73f63c00c35b78f1af82a2e8fdadb602d25b1321f0248f9c86f8111939f11e

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
Signature7x9SW50lANgJHeqa6iRs04RYoL+P6rArNlKpIwAIG/HOTkWxmpcqfAlua8oCmFQizJf4k3L05xQm4vDyXwRlCg==
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

2026-09-17T09:46:41.514475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089692
observed d8911dba909c2f4320d6dc3623741dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.499047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089692/manifest.json
observed 2f73f63c00c35b78f1af82a2e8fdadb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.482890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089692/publication.md
observed a4edef878fc172cef8034a9cd42a50a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:41.464043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089692/publication.txt
observed 07fed4818d0a6329452b3d7ce3c69bfa...
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.