OpenTechnical

OT-2026-000013207

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000013207) never changes.

Identity and time

Publication numberOT-2026-000013207 · never reused
Internal UUID01a0ae6d-6fc8-7304-bc7b-6dd4632bd083 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013207
StatusPUBLIC

Content hashes

Canonical text0004bb8a3b19885ccdce73a4488f9d83806c7df9d3850f6872270ef534292b75
Markdown3e70eb445a31ff54b058d9328d4b7444c3f71ae6a6dac012b40bcc691981b3a3
PDF
Publication pagedfecadfeecafe55ba10eb97983fd0b24c09608e5f0551b6a4444c96c59d2a0ef
Manifest9a65c898c52148174789cfb59443a077bf83405b00e21f963591d4a5e8fc66ab

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
Signatured1e1bO87l62HQA8810x6OIcVSdA4Kuf4fic5H8mDR13Bi3g20EVQS3huFxN5t2xl5c3Xhtzzho9r6yGUqxPfBw==
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

2026-09-17T12:09:35.651738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013207
observed dfecadfeecafe55ba10eb97983fd0b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.632581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013207/manifest.json
observed 9a65c898c52148174789cfb59443a077...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.613738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013207/publication.md
observed 3e70eb445a31ff54b058d9328d4b7444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:35.593650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013207/publication.txt
observed 0004bb8a3b19885ccdce73a4488f9d83...
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.