OpenTechnical

OT-2026-000061737

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000061737) never changes.

Identity and time

Publication numberOT-2026-000061737 · never reused
Internal UUID01a0ae8b-b8aa-7f9a-98df-cdb3dc1a9b8a · 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-2026-000061737
StatusPUBLIC

Content hashes

Canonical textc9029b2c299abfa89d13a36f201e78062557056c9c6409eb69cf846c33cc6606
Markdown5742ae390dfa3b7649d9a5a193c35a9604b4c0ac79069bb80afd19df84b0ea3c
PDF
Publication page0e85ced9d36a5332ec93ac3f3e8610c3c12b18f3e56381c72680abf312a1690c
Manifesteb6c5a899dc7cdf0ec4a0aad42ed59f8347be80acdb055fb2db0ef3108d8a3aa

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
SignatureB3SaG4k5Um9rKkNfL3Bj/mIcFXHGNr2h4qj4W8luQUHxsY7tVagQUjy06mkIsIRmvNNm6lHALfZc67BO5KhQDQ==
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

2026-09-17T10:40:25.692692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061737
observed 0e85ced9d36a5332ec93ac3f3e8610c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:25.667426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061737/manifest.json
observed eb6c5a899dc7cdf0ec4a0aad42ed59f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:25.625854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061737/publication.md
observed 5742ae390dfa3b7649d9a5a193c35a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:19.383685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061737/publication.txt
observed c9029b2c299abfa89d13a36f201e7806...
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.