OpenTechnical

OT-2026-000083321

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000083321) never changes.

Identity and time

Publication numberOT-2026-000083321 · never reused
Internal UUID01a0ae97-c964-7c04-aa92-3fc208f41ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083321
StatusPUBLIC

Content hashes

Canonical textfde64d9e19c817a307c6d49808abed7b56c15a8e7c044c7ae3b2337a5c04581a
Markdown3ce74545e363a0ebd853001d0f994a5f692ed72188a73cb30120f0c431a2705a
PDF
Publication page3b106a08127f0192b90efabfd48b7913b1e06b03ba3a179b1be87b3663f149a0
Manifest288001db9656ff45979709c376e2413859981e3217deb36fc99ed233aae829cb

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
Signature77jskmGMYgoOVzHj+MLS3oU6r38IxaxlwTVdw17HTZM4q/9PaNwqVmXzR0irMxnkN6eHnNUtYEFLAody/5mhBg==
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

2026-09-17T10:00:35.150749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321
observed 3b106a08127f0192b90efabfd48b7913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.126869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/manifest.json
observed 288001db9656ff45979709c376e24138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.108477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/publication.md
observed 3ce74545e363a0ebd853001d0f994a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.089794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/publication.txt
observed fde64d9e19c817a307c6d49808abed7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.971766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321
observed 3b106a08127f0192b90efabfd48b7913...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.954847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/manifest.json
observed 288001db9656ff45979709c376e24138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.938643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/publication.md
observed 3ce74545e363a0ebd853001d0f994a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.923019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083321/publication.txt
observed fde64d9e19c817a307c6d49808abed7b...
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.