OpenTechnical

OT-2026-000032417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three 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-2026-000032417) never changes.

Identity and time

Publication numberOT-2026-000032417 · never reused
Internal UUID01a0ae75-106e-76b7-9f8b-6d78e298d383 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032417
StatusPUBLIC

Content hashes

Canonical textf58ae0620d84c591f346daf28f0e11302cf32eb3dc3d0346a0883c897edfad79
Markdown43b210ad5fd527a38c21c21521a2c91735daf4c99e3859ae18bad842eeae22e2
PDF
Publication page4dc5e94ddda2d5dab025d1347d1208f73359a34f7e42a1a10cbac6d32c529a2c
Manifest725b0eb1b563c8eb000a274f6b41c579d5a76065d1bc115c3e2b2fce419bef21

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
SignatureZ8S4TrBq17DRAXdAuTXN3SCtfJLo6ijhvngvBDR0gh+e0xi69b0Ab0eUJnWi/ss41jNH4NqKuAWaMHHlUq5mCw==
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

2026-09-17T11:33:50.093885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032417
observed 4dc5e94ddda2d5dab025d1347d1208f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.077395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032417/manifest.json
observed 725b0eb1b563c8eb000a274f6b41c579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.059993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032417/publication.md
observed 43b210ad5fd527a38c21c21521a2c917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.041224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032417/publication.txt
observed f58ae0620d84c591f346daf28f0e1130...
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.