OpenTechnical

OT-2026-000057002

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000057002) never changes.

Identity and time

Publication numberOT-2026-000057002 · never reused
Internal UUID01a0ae87-d5b5-738e-90da-e8f185b77fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057002
StatusPUBLIC

Content hashes

Canonical text5bb08c48cb3e42fa9c15ea3416125479b2e30d9fcd0d7c550d92bdbf9ad19635
Markdowncb17bbc2b8c95fff178bfcdf61364cb1bb9daf1d0abc85a75e01749c7dda3014
PDF
Publication pageb161e898afee475af5a31e6e1441250c759bd2ac441f40b647702333148d862b
Manifest25ed9c3f9a62b4539a184c98ee16f6497a5c8bbc1b51f4b757579219fe117f9f

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
SignatureHph7sSKhgTDX5HKHWHQeunQiahI1J4e3ZAsyavvynxbOnUpNcT7WgqANipHOZa4Ez599yb1IoNNt2UhKndibDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:28.538426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057002
observed b161e898afee475af5a31e6e1441250c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.521663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057002/manifest.json
observed 25ed9c3f9a62b4539a184c98ee16f649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.504955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057002/publication.md
observed cb17bbc2b8c95fff178bfcdf61364cb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.487229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057002/publication.txt
observed 5bb08c48cb3e42fa9c15ea3416125479...
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.