OpenTechnical

OT-2026-000043667

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000043667) never changes.

Identity and time

Publication numberOT-2026-000043667 · never reused
Internal UUID01a0ae7b-92d0-7dfc-a76a-f403b09f6fef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043667
StatusPUBLIC

Content hashes

Canonical textbef48d21e641d77c42abde0a0ff03a37c982cfd7c395684891f79d843a5962ff
Markdown1d037f0880e99ffc68b1a48de000406fe74e3e50998ca0e1e7b14bec35ad91f1
PDF
Publication page3172e2635af4ceaf806a9dd17d69d1dc13e4ba15fdca5da884212e6c3d852ede
Manifest79e2b767ffe849ad832149f11c7e9665fcd977a8c303eb0171280391cfe878da

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
SignatureCFpW0AWVeHg4b+kHaE8xYdXoUg4QPZeUVV3TcGEO+RCnHzVkl1ZwhpA2wbu5MxCSQ/K4nDP9NpqC5bnemBo8DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:09.226777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043667
observed 3172e2635af4ceaf806a9dd17d69d1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.207160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043667/manifest.json
observed 79e2b767ffe849ad832149f11c7e9665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.188329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043667/publication.md
observed 1d037f0880e99ffc68b1a48de000406f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.168145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043667/publication.txt
observed bef48d21e641d77c42abde0a0ff03a37...
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.