OpenTechnical

OT-2026-000101345

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000101345) never changes.

Identity and time

Publication numberOT-2026-000101345 · never reused
Internal UUID01a0aea3-c379-7e7f-a924-472bfa0dadd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101345
StatusPUBLIC

Content hashes

Canonical text763bbbc2fa2d89bd1583406df51ee08981eb2801bd19f37bd57fed74a25c9648
Markdownc928fe0611319f85bc1778b7793fea3bed67f0786d7ed70353d72b6c8f0c5138
PDF
Publication page8a26490ff9c93323956a67d4f54b8a4cc15ae1618c6c8f3a86f9c8ea149387f8
Manifest240f33e286d461598f13636e63238b2077a37682d3a6cf76bc16c715abd96e3e

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
SignatureyIJinqfBKPf7DnhLevr5LG/85r2QCDVhupQI/HoGy5hzw1D9x4KZ3n53m17Zb3xUlxrO47acX8Vrmxb4cCdBBQ==
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

2026-09-17T09:27:02.407437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101345
observed 8a26490ff9c93323956a67d4f54b8a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:02.389193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101345/manifest.json
observed 240f33e286d461598f13636e63238b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:02.360139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101345/publication.md
observed c928fe0611319f85bc1778b7793fea3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:02.341351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101345/publication.txt
observed 763bbbc2fa2d89bd1583406df51ee089...
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.