OpenTechnical

OT-2026-000034346

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000034346) never changes.

Identity and time

Publication numberOT-2026-000034346 · never reused
Internal UUID01a0ae75-df0e-7753-9b8e-60efcf4df125 · 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-2026-000034346
StatusPUBLIC

Content hashes

Canonical text7008fa05d7263c3b475e9f887d8b77c63aabb17fd609f9dc7790b15b162444aa
Markdowne133ee73066f5a45939817bab18ca845ff6dee47e82a56832a201a1551bff55f
PDF
Publication paged1935de9034617f6ed07d5fff90328fcb176a72e9d5fb131cfcf27e649ef6d5e
Manifestef002440236ad78f134766e86f346f0db39794605100bef2fdb4a3632186ead8

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
SignaturezmnsMWhR+varXLvHyf5aUXS+2R9gvpICnAlQPaD1U2RCDmfVDjnS95UBut4MNaLiosKfzEp+XAfpnD+5fFRwAg==
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

2026-09-17T11:31:02.789469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034346
observed d1935de9034617f6ed07d5fff90328fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.771122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034346/manifest.json
observed ef002440236ad78f134766e86f346f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.754151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034346/publication.md
observed e133ee73066f5a45939817bab18ca845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:02.736676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034346/publication.txt
observed 7008fa05d7263c3b475e9f887d8b77c6...
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.