OpenTechnical

OT-2026-000073982

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000073982) never changes.

Identity and time

Publication numberOT-2026-000073982 · never reused
Internal UUID01a0ae93-2b8f-72b4-bde7-833d3a5f1e32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073982
StatusPUBLIC

Content hashes

Canonical text826470d7a03d06b1cde94ffe72c4813a369522beae46eb1d0e5ae7169a937536
Markdown9037958599cd5de6263252ac5a482ca302352a532fc288733b4944a1a9ea5ad6
PDF
Publication page9224b254fafe5a6c27d035003d08b044f65d1579984da1d3336af11f142be345
Manifestb400ff862e76047f1a0f697faab7036aeaa801020ea09c61258e9ffc4a3f7d66

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
SignatureD1UKU7h6JBit42NwFd4GbvKzXL+CxcErdrT8gZQD1TnTm1jKgHwjaB95qHczlHQI20/KXnsxU/ffjugozl9xAw==
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

2026-09-17T10:20:16.664102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073982
observed 9224b254fafe5a6c27d035003d08b044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.646624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073982/manifest.json
observed b400ff862e76047f1a0f697faab7036a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.627821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073982/publication.md
observed 9037958599cd5de6263252ac5a482ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:16.605678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073982/publication.txt
observed 826470d7a03d06b1cde94ffe72c4813a...
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.