OpenTechnical

OT-2026-000034290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000034290) never changes.

Identity and time

Publication numberOT-2026-000034290 · never reused
Internal UUID01a0ae75-df0e-7216-8fe5-83969b1e0bcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034290
StatusPUBLIC

Content hashes

Canonical text1f1135a493cc194cb3fa4864c375d8e624bc42438f67ba92cb669200b92ac6ad
Markdown754e7d2335fd033a4a27f9aaa202f329d5a6b222cfb23b69d0d4de65c8734c17
PDF
Publication page99f1a1911db14ddffcfa707a6be2df4d5eda133a9c6070c5c160bc38bc9f86d3
Manifest014a4d040bb6380f206a5955f789350a0195c483ee24256b110cf38e6fde04e7

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
Signature9drZEbVzfaY1HkujqAiuh514OCRyR+wlHNGFHiADe/O3bmG+PPju5HGypMlpus4lCS2o60iujoIChlyl4ATRDg==
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

2026-09-17T11:30:58.678592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034290
observed 99f1a1911db14ddffcfa707a6be2df4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.664502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034290/manifest.json
observed 014a4d040bb6380f206a5955f789350a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.648593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034290/publication.md
observed 754e7d2335fd033a4a27f9aaa202f329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.631808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034290/publication.txt
observed 1f1135a493cc194cb3fa4864c375d8e6...
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.