OpenTechnical

OT-2026-000070428

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before set-down

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-2026-000070428) never changes.

Identity and time

Publication numberOT-2026-000070428 · never reused
Internal UUID01a0ae91-545f-7b5f-8218-ef5f4042ca8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070428
StatusPUBLIC

Content hashes

Canonical textd7531ebbd0ba75dcb784cce2994b50acbd6eae89f006a1360fb46459c7019bd9
Markdown555dc1e11fe3d423a16e2bb7a2612d8c0bac7813d962197fe2f9f13b399299c2
PDF
Publication pagea22be5fdfd42f3bb3513678d8379e3d150cd8e43961e722422b59b885cee8474
Manifest4117505c19ac6ac14206b737353a98bc0625faf952e9207aff8627c5c39de847

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
Signature6s1pufkr0pZcYeBSgY5+/A2vnmhiz4+D80n6OEG9QzD5bKK6RrEBnOi76Gf0hOSO2uppWa4FcANL/m7pCaexCw==
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

2026-09-17T10:26:14.676143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070428
observed a22be5fdfd42f3bb3513678d8379e3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.658756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070428/manifest.json
observed 4117505c19ac6ac14206b737353a98bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.640146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070428/publication.md
observed 555dc1e11fe3d423a16e2bb7a2612d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.622388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070428/publication.txt
observed d7531ebbd0ba75dcb784cce2994b50ac...
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.