OpenTechnical

OT-2026-000077607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077607) never changes.

Identity and time

Publication numberOT-2026-000077607 · never reused
Internal UUID01a0ae95-2ece-765b-9c01-62221f2c2fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077607
StatusPUBLIC

Content hashes

Canonical text23c4e8dec1fb6d637af441174a951cd753c6ddba6054930195e94dfd7d365dd8
Markdowne689ddd2c61751a63cdd95dcdf7751fd7362a5f8b6efb8be07bf5adf5ba42a72
PDF
Publication pagea6a6f07d05be6ec2cb161717dc6bbd5574a62f2f2a95c75ed8c6004298da878c
Manifest9bd415e82491095b8b3d291767df40c200896e502a9a61468aaa840295f52de5

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
SignaturesbykDP7XPXbZadt5RVL6NthEfQlMUs5P/LHffjuxUNyLoh8Y/nb1/qkZ1kImYXZ7f4Wz7LZ91m+dsAwtnOgHBA==
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

2026-09-17T10:07:09.988409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077607
observed a6a6f07d05be6ec2cb161717dc6bbd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.969270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077607/manifest.json
observed 9bd415e82491095b8b3d291767df40c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.949311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077607/publication.md
observed e689ddd2c61751a63cdd95dcdf7751fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:09.930832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077607/publication.txt
observed 23c4e8dec1fb6d637af441174a951cd7...
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.