OpenTechnical

OT-2026-000015714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line 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-2026-000015714) never changes.

Identity and time

Publication numberOT-2026-000015714 · never reused
Internal UUID01a0ae6e-0c4b-7bac-9f25-3a6dd8107688 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015714
StatusPUBLIC

Content hashes

Canonical text00d0a4821177e395a6547121368ead5545e7680edf1c56f1e4c8c193692e90bc
Markdownb6b13f85eecc2b3b360bf1176df4e70e30bee2040c0563db24adbedb11cc32eb
PDF
Publication page9a4784f2499973f3295f18502441373aa9f41373ec41251e750c61817984eefd
Manifest41157c0c288d64e968b423baa99579a7404ea5a25fb54650deda5f64ad9c681d

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
SignaturetHupqyqxdxWPFXItrmenum6bdMKemq76JRGgYZli7AAq2dfm7m35+DXunk52nOPK5Gz56gx16iITO7HCobRSCg==
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

2026-09-17T12:04:59.746165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015714
observed 9a4784f2499973f3295f18502441373a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.729363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015714/manifest.json
observed 41157c0c288d64e968b423baa99579a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.711575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015714/publication.md
observed b6b13f85eecc2b3b360bf1176df4e70e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.693782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015714/publication.txt
observed 00d0a4821177e395a6547121368ead55...
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.