OpenTechnical

OT-2026-000077358

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000077358) never changes.

Identity and time

Publication numberOT-2026-000077358 · never reused
Internal UUID01a0ae94-f509-75fa-8998-388ecb56462a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077358
StatusPUBLIC

Content hashes

Canonical text0138a46fbd5f327a4a903640a0a682bca71210074d304bf0d4c6be4432690206
Markdown1f89cfacc7ae7686eff21df90de7bee9bcde294e782d835e22009067f0c99bb5
PDF
Publication page7d9e82e9b1263fb4eead32a23816604cd0eaecfce516ec5e86ed4531e7128474
Manifest65003110fcb30514a5f0a4e9f2f682f7ea50c6be8990770f07e673ce1287d4c2

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
SignatureyqE091GSp6Dpc4iQf1MnqWt3M7iA3fT43dPuXbEG2qN1XmvnmOa0bgNaPnbgqCAtL6eoDW88QtTDqehJDdgcDw==
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

2026-09-17T10:09:00.050098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077358
observed 7d9e82e9b1263fb4eead32a23816604c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.031267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077358/manifest.json
observed 65003110fcb30514a5f0a4e9f2f682f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:00.011278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077358/publication.md
observed 1f89cfacc7ae7686eff21df90de7bee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:59.991955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077358/publication.txt
observed 0138a46fbd5f327a4a903640a0a682bc...
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.