OpenTechnical

OT-2026-000082001

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000082001) never changes.

Identity and time

Publication numberOT-2026-000082001 · never reused
Internal UUID01a0ae97-4d92-7230-b26b-9e95e55e556c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082001
StatusPUBLIC

Content hashes

Canonical text8c205551edb32633c04d1a127805f5d5fed08bd627c5deeeac8e2963c67c0bbb
Markdown56b833823f4f2d97caaf20ccf8b644e54bcc480040d86d083d03de4318a76a2a
PDF
Publication pagebf0097ae4115772c81fac083cf49a6907247de64c021eb13203d441f2ce460f9
Manifestdb7e7ad60064a240ab7bf40b353fac37030d3ce3813e6cbaf9633e02b114c495

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
SignatureVsm2ENqzavRSz0BPf0dGwuJGY1pvIU3GoOB6iwCfd9XlybcnNDzQHe9S/+34JAnMWWv1jn6954Fjr6l6URzLDw==
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

2026-09-17T09:58:42.749044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082001
observed bf0097ae4115772c81fac083cf49a690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.732112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082001/manifest.json
observed db7e7ad60064a240ab7bf40b353fac37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.714498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082001/publication.md
observed 56b833823f4f2d97caaf20ccf8b644e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:42.695619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082001/publication.txt
observed 8c205551edb32633c04d1a127805f5d5...
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.