OpenTechnical

OT-2026-000055395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000055395) never changes.

Identity and time

Publication numberOT-2026-000055395 · never reused
Internal UUID01a0ae86-a101-7ece-bbbf-1177a49d4bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055395
StatusPUBLIC

Content hashes

Canonical text1804b95b2bd19ada53b031416fb1a587df025c3ed17aa16a9e73bdbb701b1418
Markdowna63165f7f375649713c400453ba4d64ea92d02578901e92d5e8aaedbbf34461d
PDF
Publication page59b17c5d6b3367c74c9b627a55dd76c5469b31543be4a63eac9a6a87ee5a4a85
Manifest3bc838a050c862b3466f7e6231c81cca3cf9bbc6b457c6fcc444e750b6f619cf

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
Signature8GKzFppd78am87diI44yvrK4ukgMEQsVQeHNsny1EuMRbAM6//vQS/9JIxop69/t86Z1w9wzf//fFlWs9HzhBw==
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

2026-09-17T10:52:02.058848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055395
observed 59b17c5d6b3367c74c9b627a55dd76c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.042561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055395/manifest.json
observed 3bc838a050c862b3466f7e6231c81cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.025389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055395/publication.md
observed a63165f7f375649713c400453ba4d64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:02.007988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055395/publication.txt
observed 1804b95b2bd19ada53b031416fb1a587...
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.