OpenTechnical

OT-2026-000061532

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000061532) never changes.

Identity and time

Publication numberOT-2026-000061532 · never reused
Internal UUID01a0ae8b-7b44-72d9-b362-8695467a0536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061532
StatusPUBLIC

Content hashes

Canonical text60c5a76300c6b116a98d11e348d35c2776e720549355ccf316fe8d5744a13ad4
Markdown56d13b37a77bc25a0ef37f5b7dd51716f773af57df1862904fe320a1272a1b1d
PDF
Publication pagee7a1a39e4d86f12e181223df5aa63ed25deccdbbb6844a7e3db4115f381842a6
Manifest022ad9422ed40a5e6d20025ef1f73de263d8e4b6e1aaddd56619416d489143d7

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
SignatureB3DLgpZOldNn60b3XCdeYruc90jj8rNIa3hUbRQxE9638BYGFjtoX6exs8c/oN0aUIlC1l/0fDLLDrce75fjDQ==
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

2026-09-17T10:41:26.296349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061532
observed e7a1a39e4d86f12e181223df5aa63ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.276207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061532/manifest.json
observed 022ad9422ed40a5e6d20025ef1f73de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.259719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061532/publication.md
observed 56d13b37a77bc25a0ef37f5b7dd51716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.242487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061532/publication.txt
observed 60c5a76300c6b116a98d11e348d35c27...
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.