OpenTechnical

OT-2026-000017131

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed 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-2026-000017131) never changes.

Identity and time

Publication numberOT-2026-000017131 · never reused
Internal UUID01a0ae6e-76c7-798c-a080-304daa6df796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017131
StatusPUBLIC

Content hashes

Canonical textba908bf2f230aecdf01d6874421ed75280bbcea2095a9263e333048de81cb7e7
Markdown84e9952b86f7c07bb532895915ac8cd77bae1692f681246972463024120b1511
PDF
Publication page415f4798f5239a4af4efdce0992cfb389d52b66908c6107364b6f3ce250eb4b1
Manifest097fd3c8e4f76bd8d5a0c534e23c98226a5b8e03ac9525f05f57a2c934d19c7e

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
Signature0ay7OUVk56YnckXmEcX2qa1uhrU55d6j50P2cXisSFM5xXj+z3eK7tHdhi2O2vAUaSLq3PLrMi495gpvVtW9Bg==
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

2026-09-17T12:02:11.240312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017131
observed 415f4798f5239a4af4efdce0992cfb38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.224633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017131/manifest.json
observed 097fd3c8e4f76bd8d5a0c534e23c9822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.206896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017131/publication.md
observed 84e9952b86f7c07bb532895915ac8cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:11.187238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017131/publication.txt
observed ba908bf2f230aecdf01d6874421ed752...
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.