OpenTechnical

OT-2026-000066561

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066561) never changes.

Identity and time

Publication numberOT-2026-000066561 · never reused
Internal UUID01a0ae8e-ce41-7fa7-87ae-5782627953f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066561
StatusPUBLIC

Content hashes

Canonical text504dccd9b9e2733d18f9b8328dd64b1b54a9537d14bfe3b742f7ce5a23e1d2c9
Markdown37f84482726b90bfa760b04fbc0c674d9a2f20feab45c8db4f045827c1368c2b
PDF
Publication pagecf6e529589d8b04b1dd59023aeae26372e0c7aff1cf2020ec4c499115c6e78e3
Manifestf71babca5e99d9d42d99ce45813c012beb73129b5000fff7fc379b30bd89c971

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
Signatureq9uuovblHEU8xrJO1CBGFSg/syCGvlkATy7nO4+GTHJfvGburPVQUiA6zHIp2eHFYA+3BcXqcYS5J1e1QzFNDw==
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

2026-09-17T10:32:49.877547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066561
observed cf6e529589d8b04b1dd59023aeae2637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.861660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066561/manifest.json
observed f71babca5e99d9d42d99ce45813c012b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.844159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066561/publication.md
observed 37f84482726b90bfa760b04fbc0c674d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.825702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066561/publication.txt
observed 504dccd9b9e2733d18f9b8328dd64b1b...
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.