OpenTechnical

OT-2026-000012952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000012952) never changes.

Identity and time

Publication numberOT-2026-000012952 · never reused
Internal UUID01a0ae6d-5564-7d73-8a84-cf76d8d00c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012952
StatusPUBLIC

Content hashes

Canonical textc1001d640ec4b14c87b46ef3a7947aebbfbbece31a2c1c2ffef6f26b5e69e166
Markdownbe8f564c7c15de976aa6f44351d2444b76641a0a07a36193cd6afbdeed5e3393
PDF
Publication page30ab03d567911a863c6dfe362d94dadf8e7f3439c59dd4952ebfca195a4030af
Manifestbfd45d80b1e0f381f0f1354861daa5d5c5a9749827bf91eece3ac255bec989f4

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
SignatureCmakQX1fRGwwHHYNyjpLmO2PpDFHi4BX35gW0ms6IKBlmmbRoDVJujUzSb+8SgBkS5yg+Qbam6Mqg1sYEFHjDw==
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

2026-09-17T12:10:45.566693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012952
observed 30ab03d567911a863c6dfe362d94dadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.549425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012952/manifest.json
observed bfd45d80b1e0f381f0f1354861daa5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.530796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012952/publication.md
observed be8f564c7c15de976aa6f44351d2444b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.510461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012952/publication.txt
observed c1001d640ec4b14c87b46ef3a7947aeb...
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.