OpenTechnical

OT-2026-000085598

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000085598) never changes.

Identity and time

Publication numberOT-2026-000085598 · never reused
Internal UUID01a0ae99-aaac-7eaa-80be-5d61e4ccc634 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085598
StatusPUBLIC

Content hashes

Canonical text921e1fc19c0a011530f3a76e6258c1a2ac5721e23d2e52b14c93ff1b26ceab17
Markdownef45c042e7f020c52071f38c1b107c712ae864e3346cc64b81e035ad05f904f0
PDF
Publication pageed465e00babb696d63549fbe17f4f9a1fcc05058d93da5562e01b78cd4ee2af0
Manifestaf481ba2e9627f3cb83d5fa80663bd5b42de6bba19f4503461a0c856bfdf29ab

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
SignaturectJ03YbpKudZQwWtSA1RtdJWaaJxhvs7KFffwfz0K0yka2MliQuIvg6I/rw6lAZsMeIVNcLt6MKbU0Eh+y7lCQ==
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

2026-09-17T09:54:28.476143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085598
observed ed465e00babb696d63549fbe17f4f9a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.456990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085598/manifest.json
observed af481ba2e9627f3cb83d5fa80663bd5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.439836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085598/publication.md
observed ef45c042e7f020c52071f38c1b107c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:28.422766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085598/publication.txt
observed 921e1fc19c0a011530f3a76e6258c1a2...
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.