OpenTechnical

OT-2026-000100726

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single 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-2026-000100726) never changes.

Identity and time

Publication numberOT-2026-000100726 · never reused
Internal UUID01a0aea3-66f4-7492-b92c-06f4d1419989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100726
StatusPUBLIC

Content hashes

Canonical text3b128de098b492e84cb42020846ee97d23d5ecb289c3df7fd28c2acb5ff56f68
Markdown203521f5911815e8cd5a904b1c4ac954e38eaabf77b5abb880e84adb1a819e6f
PDF
Publication page07a2f71498765dae64bc8dbbe37cc0920af7b0d3eea7df86be7510c766acfa7a
Manifest795cd754ddb485b2f6c80eaf26e54c96f7d2040d8598529a73fac130a35d5491

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
SignatureHK7FftWRm765odgwpdc6pd1X8FK9yIERID8RI0BlRaEmlrz94S4X8v/9mr8l1uEBQgcn/UqcTAmEn9p6urYHCw==
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

2026-09-17T09:27:33.228166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100726
observed 07a2f71498765dae64bc8dbbe37cc092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.211343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100726/manifest.json
observed 795cd754ddb485b2f6c80eaf26e54c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.193692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100726/publication.md
observed 203521f5911815e8cd5a904b1c4ac954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.174653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100726/publication.txt
observed 3b128de098b492e84cb42020846ee97d...
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.