OpenTechnical

OT-2026-000012035

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed 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-2026-000012035) never changes.

Identity and time

Publication numberOT-2026-000012035 · never reused
Internal UUID01a0ae6d-1943-73ee-bcb6-ed165fec4b0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012035
StatusPUBLIC

Content hashes

Canonical text3d9b6ccef03a2aaf64aecb3f5b7a70ef9c323b2b26064ba2d2c56f6fa0d7dddb
Markdown31fab94c6d756a6252504cbc995042e839c3ebffcc389e887a2cdd5808a80e53
PDF
Publication page9823c1d0bb1924d1ee373a9e97468c98ad9c95faf0481b46651794327d45e42f
Manifestc4ffb666c5b55f75cd3bdfa601b17fbe4e8af684399658fda33d4c660684776f

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
SignatureWHWjvg/AUGJiaQ7s3iO7MNTxcAoer21bQu2Oi5rX1+wdQru6JWgvxmwniGlnmdhyNseDdhBnndb2yb4PqOKDCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:54.553803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012035
observed 9823c1d0bb1924d1ee373a9e97468c98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.534187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012035/manifest.json
observed c4ffb666c5b55f75cd3bdfa601b17fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.515340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012035/publication.md
observed 31fab94c6d756a6252504cbc995042e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:54.493267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012035/publication.txt
observed 3d9b6ccef03a2aaf64aecb3f5b7a70ef...
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.