OpenTechnical

OT-2026-000029142

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000029142) never changes.

Identity and time

Publication numberOT-2026-000029142 · never reused
Internal UUID01a0ae73-2aa0-79ad-9ddf-f4664fc09ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029142
StatusPUBLIC

Content hashes

Canonical text0edbee4128028958c80096320dd3e6bf008cd6e606525e955257ecdce7dfbd91
Markdown778d9a95e45c1e1a424c4a54204fe71338b760c0c3c618c0f3a4833494ea6193
PDF
Publication page4e488018a782a7fbd85d334eabdaaf863319c4d22ebd968283ed519ad93ada30
Manifest9c0fbd184c8d62026befb8298f2fec6c410956137849d38c2cf416ac33512fc8

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
SignatureK0lpNQj2269GEMSp896Vi/XwXvbFE349EY96Pa22KENa78WVPD+NjwlE/W/sNiq76UF0M0kdXAM+V67RVGIeDw==
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

2026-09-17T11:39:37.719024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029142
observed 4e488018a782a7fbd85d334eabdaaf86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.699170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029142/manifest.json
observed 9c0fbd184c8d62026befb8298f2fec6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.681530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029142/publication.md
observed 778d9a95e45c1e1a424c4a54204fe713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:37.662663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029142/publication.txt
observed 0edbee4128028958c80096320dd3e6bf...
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.