OpenTechnical

OT-2026-000087522

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, sustained 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-2026-000087522) never changes.

Identity and time

Publication numberOT-2026-000087522 · never reused
Internal UUID01a0ae9a-cd51-7b8c-9dab-b41bf8eceb9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087522
StatusPUBLIC

Content hashes

Canonical text95fcc8857e242838ad1c23120239c9ea740d86a0b44f8e48ed526df5605c763a
Markdown1ea4d960ac1b8c0e19a99bb7828196b575465a494b0e66e9604ed836159c6288
PDF
Publication page3735c2b81fc4553d909d3e45ee867d1503eef5bd3525b4951bffad3b67beb9f8
Manifest5561277877671272b00da598853d055f9dee2eb8e8cf71c15d41b4b9a0249173

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
SignatureoAADBy5XtSJEan+LE3Nr2TncVuxmM0yfrsffMRvi6FiCc85vWeVOIzlmYDwMHKAxofuwTo3M3upaR9I/dQ6mBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:51.535059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087522
observed 3735c2b81fc4553d909d3e45ee867d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.516841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087522/manifest.json
observed 5561277877671272b00da598853d055f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.497979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087522/publication.md
observed 1ea4d960ac1b8c0e19a99bb7828196b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.480266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087522/publication.txt
observed 95fcc8857e242838ad1c23120239c9ea...
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.