OpenTechnical

OT-2026-000101638

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pulsed 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-2026-000101638) never changes.

Identity and time

Publication numberOT-2026-000101638 · never reused
Internal UUID01a0aea4-0e16-7793-bb00-4d397cebbbd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101638
StatusPUBLIC

Content hashes

Canonical text66c06d80e9e3a8d0facffa76bd55988102e12a2ff97d20eeff67d5405d021178
Markdownd122d13ddfd2d7d2c527196cd8fd00adf86241453ae4f5ea60d50e556a272420
PDF
Publication page322d695439fa8fe33028239404222d4f4ae53a08563699a9ef7b3197f0b0a0e7
Manifestdfe2c5ef558c58c61d394bc7add6ae5394018a4aa80c4794b10a25b8762ad5cf

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
Signature4QWiXDKd849x8wiOO2VTCHX/aPazGJsrxYnFTklQn58/pxdnk6iur6G1b9N9Bb5I/Ng6oWcdmrMbBJXENoVsBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:46.119859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101638
observed 322d695439fa8fe33028239404222d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.102292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101638/manifest.json
observed dfe2c5ef558c58c61d394bc7add6ae53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.083797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101638/publication.md
observed d122d13ddfd2d7d2c527196cd8fd00ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.066362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101638/publication.txt
observed 66c06d80e9e3a8d0facffa76bd559881...
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.