OpenTechnical

OT-2026-000074897

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000074897) never changes.

Identity and time

Publication numberOT-2026-000074897 · never reused
Internal UUID01a0ae93-ac2c-7287-99a8-b118c80492ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074897
StatusPUBLIC

Content hashes

Canonical text669c44e017e96816fb7ec956b293be69d405c84a01154b71c850b2356f0101a5
Markdown4ca7c3d0d9806c4897cf9be085fb12a29a97bfc1208a7303bd84be325b00a5f2
PDF
Publication pagee32a7eed7009e2c5e7d01166c1f2ab179c77cb08080892f277098ff82a939ff1
Manifest814c5aa571511cd695094703673b8ecdb464f336f873dcf9c0c07720d7a072e5

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
SignatureaA3Y6t+jYaNsAK78GNiLLjiXNppho8DGCE7CqlZe6LEO3X91BfHT0l1WrSq3pjH0g2EQ8ejbsxKVVf9eQsyUBw==
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

2026-09-17T10:18:37.200698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074897
observed e32a7eed7009e2c5e7d01166c1f2ab17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.185555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074897/manifest.json
observed 814c5aa571511cd695094703673b8ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.150561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074897/publication.md
observed 4ca7c3d0d9806c4897cf9be085fb12a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.114152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074897/publication.txt
observed 669c44e017e96816fb7ec956b293be69...
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.