OpenTechnical

OT-2026-000087428

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087428) never changes.

Identity and time

Publication numberOT-2026-000087428 · never reused
Internal UUID01a0ae9a-cd50-72e2-afad-1aae84da5859 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087428
StatusPUBLIC

Content hashes

Canonical text3bace0bcc4307eb18d97d3c65ab71c6b22e6557d2634579289d8bfb75f6b190a
Markdown8f87b24ea3c8e6d77275cd10a743d3484be300846ff9924ed11e0166c689a8c9
PDF
Publication page41353d506a039ee51ec96de16da9aebaec689038cb1319d83752da2f16e86af6
Manifest6e27cf97140675d27c3b71eb2a51a969f3956eaf267b9300ac69e711879e3761

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
SignatureQgNIEQilg2vb1wau7JTW38A375h33FDl9oSqBpQ2Ll7TzY0qKV57OwmwpnmKj1pTTTlu5JR3LeHT6boy23ViDw==
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

2026-09-17T09:50:44.942892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087428
observed 41353d506a039ee51ec96de16da9aeba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.924155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087428/manifest.json
observed 6e27cf97140675d27c3b71eb2a51a969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.905425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087428/publication.md
observed 8f87b24ea3c8e6d77275cd10a743d348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:44.887331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087428/publication.txt
observed 3bace0bcc4307eb18d97d3c65ab71c6b...
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.