OpenTechnical

OT-2026-000100013

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100013) never changes.

Identity and time

Publication numberOT-2026-000100013 · never reused
Internal UUID01a0aea3-1474-7a54-b014-a54f22ec7215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100013
StatusPUBLIC

Content hashes

Canonical text2d9cd29cd77915a3066175f3a0c4a80baa6e3b394c10840715a88573e597796a
Markdown77eb12aeb630ccf81152c0a145a8dd1da60c0b01ee87b3ae867b4744fb2713d3
PDF
Publication page92830011ebd4ee36f2490bc827c60604ec6aa1d32f5b57921516487454398fea
Manifestcba7032c20142416703685f6e532a1d64d0067d1ca1048c569a4eb818d825376

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
SignaturemSukyulUtRawZ+dprgjMetVjFsYmuaDWzgvIsc/De8iQ4tuASSps0+n+iyZ/+9qYK3b1sqwpB1EQNcF+t7fPBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:56.781089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100013
observed 92830011ebd4ee36f2490bc827c60604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.762476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100013/manifest.json
observed cba7032c20142416703685f6e532a1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.744853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100013/publication.md
observed 77eb12aeb630ccf81152c0a145a8dd1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:56.726964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100013/publication.txt
observed 2d9cd29cd77915a3066175f3a0c4a80b...
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.