OpenTechnical

OT-2026-000080113

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080113) never changes.

Identity and time

Publication numberOT-2026-000080113 · never reused
Internal UUID01a0ae96-4378-7819-9f3a-f52a8ad1bb97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080113
StatusPUBLIC

Content hashes

Canonical text2a7970e447ee16a8011e48a36b2360ac3c35ec6795611362e5b6fc1d835c92d8
Markdown000b76798b980ea8c7705237daca67d49b3a56593e4337faff80e293fc645e13
PDF
Publication page1d148c1d36398ea7b1197258858dfca98e06797854e67b33df41b0a8c868f2ef
Manifest77bc351e40062656be78a58a2bab29e6cabac02f45807543f492b7b1a84431d9

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
SignatureUo7n/yL4eSe92q0/DPCzm4Df5isrybnjQZY0H3xN0T+RolGBMxep/AZyrS56FjZkj0/1aQK2VNiTk77IoIWECw==
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

2026-09-17T10:04:03.404695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080113
observed 1d148c1d36398ea7b1197258858dfca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.384947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080113/manifest.json
observed 77bc351e40062656be78a58a2bab29e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.364844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080113/publication.md
observed 000b76798b980ea8c7705237daca67d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.346291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080113/publication.txt
observed 2a7970e447ee16a8011e48a36b2360ac...
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.