OpenTechnical

OT-2026-000061980

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000061980) never changes.

Identity and time

Publication numberOT-2026-000061980 · never reused
Internal UUID01a0ae8b-b8ae-7037-a01c-166ccbc3d7ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061980
StatusPUBLIC

Content hashes

Canonical textb6717672d4829f9f1dd9540155b7f3ad1a8f232b7bae74a9e22b5fc17324489c
Markdown7fec09eb51f214143c13b1e6024d32a06815f6ace24872c475750d0b567096a3
PDF
Publication page9fc25ac42c2894abd193847a9f415849327bdcfb8a8840f7060ddd1bcc4c7f51
Manifest5bcbd940724676541ae0e4ddb45673f60beedec5b27de22b0514bed6e0ec010b

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
SignatureIHTZaQBGNN5KEs+QH1kLd6lyIKp8lGQI6juxx/HONQx3K0H6XnV/Ybl09nJswgaKhJiPEqUApr5JHB7rU/PLBA==
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

2026-09-17T10:40:54.296294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061980
observed 9fc25ac42c2894abd193847a9f415849...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.270502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061980/manifest.json
observed 5bcbd940724676541ae0e4ddb45673f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.244108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061980/publication.md
observed 7fec09eb51f214143c13b1e6024d32a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:54.221727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061980/publication.txt
observed b6717672d4829f9f1dd9540155b7f3ad...
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.