OpenTechnical

OT-2026-000099923

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000099923) never changes.

Identity and time

Publication numberOT-2026-000099923 · never reused
Internal UUID01a0aea3-1473-7f9c-b43c-59b1584674d6 · 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-2026-000099923
StatusPUBLIC

Content hashes

Canonical text6da064e1c2f4806ba5f97ca2e876c1e024d70959a8787df03849992d6341ce5e
Markdownfe507d37000e77a70050b0d122daae3efad66e62e328c52ddb72f64f362d9831
PDF
Publication page009e23690abc6b5683d23bc1cec51a3f2eba3df27eeacaeb2d18cc3eb1cc55a4
Manifest6c65bd13c5e45b1c77687b97f6ab6a76f5ae1da47da66b98a2d81b17c3cb893f

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
Signatureq9EBzxTfyOGCzFTuSrW7X57mKng63JXWS1AnxFSZXOerIcGqvcNFJHb1198PghboSObla43mMc6LePybXkpvAw==
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

2026-09-17T09:30:34.064000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923
observed 009e23690abc6b5683d23bc1cec51a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.045830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/manifest.json
observed 6c65bd13c5e45b1c77687b97f6ab6a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.026134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/publication.md
observed fe507d37000e77a70050b0d122daae3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.008644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/publication.txt
observed 6da064e1c2f4806ba5f97ca2e876c1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.614209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923
observed 009e23690abc6b5683d23bc1cec51a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.598403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/manifest.json
observed 6c65bd13c5e45b1c77687b97f6ab6a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.580915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/publication.md
observed fe507d37000e77a70050b0d122daae3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.563655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099923/publication.txt
observed 6da064e1c2f4806ba5f97ca2e876c1e0...
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.