OpenTechnical

OT-2026-000014102

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000014102) never changes.

Identity and time

Publication numberOT-2026-000014102 · never reused
Internal UUID01a0ae6d-8deb-733a-8e28-dbfb2f84fc85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014102
StatusPUBLIC

Content hashes

Canonical textbc719cb4d7b6520b64cf67458069d32754bbe80af24734f7efb8eeb2fc251b88
Markdown7793b84c7cb50a171ab6ca95c543ce7d39d8f628274c55d919e8e295978205b6
PDF
Publication page95348d4278881e85bc58d3199c18ed93bf4279607ca6902df41f3f33ba40f40a
Manifest96126479f839cb14f6f4513fa547529c7b06c06b1801821b55867c9d0b51f233

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
Signature/B18Sw3rsSD16rbZwutQPnx3hTGtcDegAn2se0W9WC28C+IA2QC9lciKw8Hx960a2sV3PryJVnFp7xpAQ3UgBA==
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

2026-09-17T12:09:21.601940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014102
observed 95348d4278881e85bc58d3199c18ed93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.583198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014102/manifest.json
observed 96126479f839cb14f6f4513fa547529c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.563049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014102/publication.md
observed 7793b84c7cb50a171ab6ca95c543ce7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:21.544251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014102/publication.txt
observed bc719cb4d7b6520b64cf67458069d327...
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.