OpenTechnical

OT-2026-000019935

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000019935) never changes.

Identity and time

Publication numberOT-2026-000019935 · never reused
Internal UUID01a0ae6f-1fb7-7329-b447-bc6360edeb20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019935
StatusPUBLIC

Content hashes

Canonical text6deb15146e771bc8c99c571487bc4688714340ab52186ad654baff77fdd0216f
Markdown167f6e63925fc5f7762e2cd9953ec742c3ac4a1eadc6099d0c0c0a0832c4fdaf
PDF
Publication page932324c317d62035d319c655d959e735de52b8ba50ef7a119867150f7c39da15
Manifest33772afd417adaa54053120c790bd5d76730345953b752d29f6ea2a3a8b7be9b

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
SignatureeZ5X/+YI+CtB9UAV2ekd2cuLfqPF+i4x07cQhs7jigQVEGPdWQyUD+Ji6BIT/rN8jP4WspJhLp8UB2K1YL4QDQ==
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

2026-09-17T11:58:09.678617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019935
observed 932324c317d62035d319c655d959e735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.660926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019935/manifest.json
observed 33772afd417adaa54053120c790bd5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.643360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019935/publication.md
observed 167f6e63925fc5f7762e2cd9953ec742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.622977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019935/publication.txt
observed 6deb15146e771bc8c99c571487bc4688...
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.