OpenTechnical

OT-2026-000061076

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000061076) never changes.

Identity and time

Publication numberOT-2026-000061076 · never reused
Internal UUID01a0ae8b-137d-77f0-a384-14a3dd5c6931 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061076
StatusPUBLIC

Content hashes

Canonical textff3ef8f49399c4a933df564f36c971a2bd3964e15cb95b83da78275e5a616c58
Markdown4e13d0b3932992fdd64aabe4fbcd9ae1bfefdbc0bce6b64228f5b9174a0b2f60
PDF
Publication pagea0e8dc53df9de2c12c4dbec245a8f4fe5f3c038c166992a8c00adb5167e2ffcf
Manifest1e83f64da48d98654a753982c14c4c3a8a3ed127701936e01a849ca7554a0548

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
Signatureod+aDVf2Gd2HgbeaPlR7W1CdrnPBNKc9UNtEjZ8DsMs0QXdc5KiPWmdVjavhgnN7d3M8+Gh2gsqO3ZcBmBy0DQ==
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...

Independent retrieval

2026-09-17T10:42:26.296637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061076
observed a0e8dc53df9de2c12c4dbec245a8f4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.278264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061076/manifest.json
observed 1e83f64da48d98654a753982c14c4c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.261470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061076/publication.md
observed 4e13d0b3932992fdd64aabe4fbcd9ae1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:26.240772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061076/publication.txt
observed ff3ef8f49399c4a933df564f36c971a2...
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.