OpenTechnical

OT-2026-000039259

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000039259) never changes.

Identity and time

Publication numberOT-2026-000039259 · never reused
Internal UUID01a0ae78-9674-79ad-9001-95dd297b06d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039259
StatusPUBLIC

Content hashes

Canonical textc647efd00bb2112c22438ae91a4b26a004b7bf53eeee34d84fb71d8932a30092
Markdown6ddcd9e7fd2f2993a89e6f119f0a2c6fc895989e5c4303cbe6f6dc753941a636
PDF
Publication pageb63ef32c7e9ed469d2c708682be8b51b9c5f288346bcfd8d999d5316885d5cf0
Manifest81e1cc068697460bc3c6618727d8203ea1590d461afaabaae19cc931906fef47

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
SignaturekW4Wy+pHJChnK9JdXVCLn0LcAZbzzfl102cRCQOVBJaTPPKcXEK1Ru7+HtsURcZrYi1a+iCSr986LMHvV4DZCA==
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

2026-09-17T11:20:49.338582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039259
observed b63ef32c7e9ed469d2c708682be8b51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.319476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039259/manifest.json
observed 81e1cc068697460bc3c6618727d8203e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.298901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039259/publication.md
observed 6ddcd9e7fd2f2993a89e6f119f0a2c6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.281377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039259/publication.txt
observed c647efd00bb2112c22438ae91a4b26a0...
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.