OpenTechnical

OT-2026-000071117

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000071117) never changes.

Identity and time

Publication numberOT-2026-000071117 · never reused
Internal UUID01a0ae91-e0eb-7eac-9783-aa72dc84e4b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071117
StatusPUBLIC

Content hashes

Canonical text342b754d5f4167dab3a4ed4f719454c3fe06e004a37f13a8ea64fc2c7649b222
Markdown59a771517b0328a87da5923d97d13bdb8cc8f8b3377d455ea5e39ba6134679c3
PDF
Publication page69054f23957b72bf2d26b0a294fb051cdfabc38b6b0635bab5a7a1b2667529c8
Manifest9e136d28de881f3bacb25527b7c0398c17a6843778f4876b38eee3a65d0d4658

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
Signaturetc/fM/OY6V0kt5RRS8AnL6VFzjc1QO+v7AtIsHnn7zDk8ZSTPzk61GA3HXLhWP+8yXwwptCuqgNL8NY4ZahQBQ==
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

2026-09-17T10:24:36.646033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071117
observed 69054f23957b72bf2d26b0a294fb051c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.626474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071117/manifest.json
observed 9e136d28de881f3bacb25527b7c0398c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.595545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071117/publication.md
observed 59a771517b0328a87da5923d97d13bdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.566758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071117/publication.txt
observed 342b754d5f4167dab3a4ed4f719454c3...
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.