OpenTechnical

OT-2026-000064568

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000064568) never changes.

Identity and time

Publication numberOT-2026-000064568 · never reused
Internal UUID01a0ae8d-a462-7588-8b88-e65c46edbc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064568
StatusPUBLIC

Content hashes

Canonical text5eb43c9a10d68bfb594128dfb176b9033669e5ed6c6b87117a7765de7c665362
Markdown408c340de77648295f991a778d4fd9c296337383bbd7adbf2fc4454ecdfe61bc
PDF
Publication page89a25789223dc7e19f999ece5eb34f90172c0ad3b28fee701bc43c0bdf05c19d
Manifest4467b24fa3b9bd54a5a7f3d42e60274fa9fe8889fad64c40b087d8c9fa3b8c5d

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
Signature4ySSSw5wsdx6CvKh+Fq00p4kbwh032T22jiv+finFV8/WbCPTwVgnDOIYw7jY4R9HoQToCP0pNzB6jj1Y/99Ag==
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

2026-09-17T10:36:47.727411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064568
observed 89a25789223dc7e19f999ece5eb34f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.709524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064568/manifest.json
observed 4467b24fa3b9bd54a5a7f3d42e60274f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.690498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064568/publication.md
observed 408c340de77648295f991a778d4fd9c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:47.672282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064568/publication.txt
observed 5eb43c9a10d68bfb594128dfb176b903...
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.