OpenTechnical

OT-2026-000027745

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000027745) never changes.

Identity and time

Publication numberOT-2026-000027745 · never reused
Internal UUID01a0ae72-699a-7d04-9c31-53c572bd29fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027745
StatusPUBLIC

Content hashes

Canonical textf1e5258cbbb81e2980a10f04017d63c21731912df4b2b0bfd6dadfd9f801b553
Markdown6d46d51e65f7a1b40e150425f77468e9066cea6a354d26029470685d2df65227
PDF
Publication page4bf1086c6c7e49614f9a0278b9fc9cf106734dc2971a4581011062dd7fd928a6
Manifest5a5981b822f07113d86609ea03d6cd719545d24231b4543aabd8639e415923c7

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
SignatureAU44wrzBOkRIdw1pzlAt5awV3Jt+A3bXgYX71oIrrH8tWOxaYf41+Vj3qkyy4CyovlEhQLUMPIr1rUzqoMaNDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:18.391071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027745
observed 4bf1086c6c7e49614f9a0278b9fc9cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.374774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027745/manifest.json
observed 5a5981b822f07113d86609ea03d6cd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.358015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027745/publication.md
observed 6d46d51e65f7a1b40e150425f77468e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:18.341296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027745/publication.txt
observed f1e5258cbbb81e2980a10f04017d63c2...
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.