OpenTechnical

OT-2026-000101855

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three 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-2026-000101855) never changes.

Identity and time

Publication numberOT-2026-000101855 · never reused
Internal UUID01a0aea4-50f0-74d7-96de-629a22a8d06d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101855
StatusPUBLIC

Content hashes

Canonical text129082b50fc1e69b17c94d4815399ef3a8bacae4ad2d05dcf98916b0be1b4011
Markdown2635467127274f5b1269c5e04ddefee266b7ac0fd5f87de7b4e7ace4798aa541
PDF
Publication page53c8b037c0a34a13b99d43079774f1254b7354cf56bdbf1b9eec5e9793c6b517
Manifest0f7565c986bba62a1fc1b17b04e1c1340b37e61ad637d890a203a17e2b65bc41

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
SignatureqSED/8Et34IeIlMg9EN9v9oAOrDd+ci2tDLAwhVGDXtYsoglFgVcZvhiIA3CATCOgSxMX3Hl0ecPLrRDdv0cDA==
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

2026-09-17T09:24:27.358366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101855
observed 53c8b037c0a34a13b99d43079774f125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:27.339939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101855/manifest.json
observed 0f7565c986bba62a1fc1b17b04e1c134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:27.321206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101855/publication.md
observed 2635467127274f5b1269c5e04ddefee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:27.301932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101855/publication.txt
observed 129082b50fc1e69b17c94d4815399ef3...
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.