OpenTechnical

OT-2026-000100058

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000100058) never changes.

Identity and time

Publication numberOT-2026-000100058 · never reused
Internal UUID01a0aea3-1474-7a99-89c8-29b7c3b18d1f · 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-2026-000100058
StatusPUBLIC

Content hashes

Canonical text2da0ccee2c5adb26d3b909a318ff4c1140068b8a116db5bc5f6ba88d8d3f57df
Markdown7fc14c427f1e2b7e951cd8417506b3c260acd110d9594973205c3c7593a1f2fa
PDF
Publication page0c916be045e24cf5e32068206927c7b7a5c0e0c0350b9c1a1444514f74a5b889
Manifest2f7952bb70fa16841d0d846e85bd861dcf4afad270abf5eeae708465602c50fc

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
SignaturexisR9SaHenTLjsAdx62Je4I5MkktgTTZKEdSoW+zcLttUb+CWXKL4ZFJVgm8PFHhu3ZOyszqWvYT8WQIOHoYDQ==
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

2026-09-17T09:29:00.049118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100058
observed 0c916be045e24cf5e32068206927c7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.031667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100058/manifest.json
observed 2f7952bb70fa16841d0d846e85bd861d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.014145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100058/publication.md
observed 7fc14c427f1e2b7e951cd8417506b3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.994545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100058/publication.txt
observed 2da0ccee2c5adb26d3b909a318ff4c11...
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.