OpenTechnical

OT-2026-000100750

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000100750) never changes.

Identity and time

Publication numberOT-2026-000100750 · never reused
Internal UUID01a0aea3-66f4-771c-b7fd-628de305dff6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100750
StatusPUBLIC

Content hashes

Canonical textd3d902db20d7308a8479d7726d8c97e6e275bf7e7b4430aaf6807855199b9503
Markdownc12c1d9a83c6f162dc2ef441ed6004bd13ab360298d118c5ea00662a64d1e2b0
PDF
Publication page944e7909923c532866677e0740aeddeb51049ec6e3c652181eb1fd1c2416f2c4
Manifest12394919801e2b93451679cedd06263c60954ca8fd47fc0ff869a8b370746784

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
Signatureb3auFWPYh7W3h1WlRFm8GzcVPizFDIzppcHeAFoPNmZhzBPMJdome+LLsnlSjRzAvN7yD/iPnzPuGiw6HP2qDg==
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

2026-09-17T09:27:35.120134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100750
observed 944e7909923c532866677e0740aeddeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.102085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100750/manifest.json
observed 12394919801e2b93451679cedd06263c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.084834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100750/publication.md
observed c12c1d9a83c6f162dc2ef441ed6004bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:35.066744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100750/publication.txt
observed d3d902db20d7308a8479d7726d8c97e6...
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.