OpenTechnical

OT-2026-000078266

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000078266) never changes.

Identity and time

Publication numberOT-2026-000078266 · never reused
Internal UUID01a0ae95-7c27-777e-9674-ada324a6d555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078266
StatusPUBLIC

Content hashes

Canonical textf5b2a83fe44e22f9f8f1cffe3a2739248af4c1b8e53645dfeaf36e211c7c6109
Markdown26de9ed838a29ff39f166cb435e6b3d81ef28a6dc01dcfbad7f19e077299b30d
PDF
Publication page44aeb81ce57259b7b2e6a8a5a61d4fe367dff73b5dda93236895d21e259797f3
Manifest97ff6395f0bd1cca7fb872bc2c1b3cb22f91d82aae2b2baffde6a5322971631f

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
SignatureWHSEwp6g6Tyq/5T7qT9qBBLOH8t0bceS0JITqO8iUj2hPhWzjiW730fEyj4bQKXg9xsYQ021LbSh3+Sm/pjeCg==
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

2026-09-17T10:06:13.604513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078266
observed 44aeb81ce57259b7b2e6a8a5a61d4fe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.585396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078266/manifest.json
observed 97ff6395f0bd1cca7fb872bc2c1b3cb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.566612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078266/publication.md
observed 26de9ed838a29ff39f166cb435e6b3d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.547320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078266/publication.txt
observed f5b2a83fe44e22f9f8f1cffe3a273924...
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.