OpenTechnical

OT-2026-000061029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000061029) never changes.

Identity and time

Publication numberOT-2026-000061029 · never reused
Internal UUID01a0ae8b-12f9-7ae1-ab7f-364b5daffe21 · 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-2026-000061029
StatusPUBLIC

Content hashes

Canonical text46a0561fa9970863a57936ddad1d6084d2bc2cc5323a56ef5ac25657217ebc53
Markdown5ad8912c9a453de35b107b63ded69d622d4d4b1153967f2ee2c6a8245b814ecd
PDF
Publication pagebc295481e25d77788faf9298f338703638ccbe6e9ed2ece12e0202c06fcfd5d8
Manifest2f5fd49ec6173a4802c19a3fb8c447356aeb6a4be41fe7ad7527e28243094651

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
SignatureJfQrewQFGKK4SyNYT1Y36vw5iR3XId8Q51/ikUHh4SimFo/lXSdq6nx6L3cCRzAbsJECAHKTsByZvXZ5f7lDAw==
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

2026-09-17T10:42:22.651569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061029
observed bc295481e25d77788faf9298f3387036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.634070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061029/manifest.json
observed 2f5fd49ec6173a4802c19a3fb8c44735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.614770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061029/publication.md
observed 5ad8912c9a453de35b107b63ded69d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:22.593730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061029/publication.txt
observed 46a0561fa9970863a57936ddad1d6084...
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.