OpenTechnical

OT-2026-000103696

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single 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-2026-000103696) never changes.

Identity and time

Publication numberOT-2026-000103696 · never reused
Internal UUID01a0aea4-e462-7d11-882e-420f6cc3b919 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103696
StatusPUBLIC

Content hashes

Canonical text688b746bb30ca919d9180bf754600cc35fdcf369b15757410cbfff478a6000bd
Markdown1357a87cfc2e0e0d5fb04ea6635a4e44af233001ea7324bd73a465bf803961c4
PDF
Publication page0791d8ddb952d9c0421af969b7e40e78723c412df018505a7a461871e79284bc
Manifestaa64d82482da0f77b4ed8f7f23e227695b5dd94acf4fc80bc3a65d8ca6072786

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
SignatureW5L6hCIr8VUUoGmd6I+TrRsnfUrBlWSZNk2Ovcpi3u6KM4c8jsGEgkH6jv3Zs5yuXO67CQAjYOshJQ5N6MWBCQ==
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

2026-09-17T09:22:30.127795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103696
observed 0791d8ddb952d9c0421af969b7e40e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.111144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103696/manifest.json
observed aa64d82482da0f77b4ed8f7f23e22769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.095154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103696/publication.md
observed 1357a87cfc2e0e0d5fb04ea6635a4e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:30.078097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103696/publication.txt
observed 688b746bb30ca919d9180bf754600cc3...
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.