OpenTechnical

OT-2026-000042666

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000042666) never changes.

Identity and time

Publication numberOT-2026-000042666 · never reused
Internal UUID01a0ae7a-c0ce-774f-a34a-521149f0a8e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042666
StatusPUBLIC

Content hashes

Canonical textea6340988a0e622c1926c140e242cd3841653d146dd33580164a94cbb587500c
Markdown14a881f4c8ebd2efad0667414f9b37fcde6f04ee92294358f02f8e5624d870c6
PDF
Publication page7a07dce9877c9f4ed5bd7f588193d2e3316cbdd7cfcb5a8e6f5bdd9bd8687171
Manifestcefd21d91440fc31cb9f6e0cab3daa084d4a1605fa08dd1d1985b8d50be0bcfb

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
Signaturej7CFyK+kH7D1TxkMD+bc3BVh2Gowt63UK0DGhTmIfamlE5d1aO5U7YYX135+ovK1BPReQpQ+joGH3khArvaPBg==
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

2026-09-17T11:15:00.745405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042666
observed 7a07dce9877c9f4ed5bd7f588193d2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.725832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042666/manifest.json
observed cefd21d91440fc31cb9f6e0cab3daa08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.707789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042666/publication.md
observed 14a881f4c8ebd2efad0667414f9b37fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.689185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042666/publication.txt
observed ea6340988a0e622c1926c140e242cd38...
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.