OpenTechnical

OT-2026-000061819

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000061819) never changes.

Identity and time

Publication numberOT-2026-000061819 · never reused
Internal UUID01a0ae8b-b8ac-710c-b188-df0dd9ca258a · 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-2026-000061819
StatusPUBLIC

Content hashes

Canonical textdf022bc27d0aed4aae1561465e4deba7e32410d47d5e8fd011175d8383978349
Markdown7aa5ecb479707bc937d3de9f5fd0ac1596f4f5b5b8c57e58e7c893d733b10223
PDF
Publication pagebadd3dab6257c696dee812ea6bf57f72ff33a174db3eec5a7d205f09cdce976d
Manifestf50b50c4448f94661213d5014241387837c59b9e5cea077bb10471f0d1ce2318

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
Signature8xFiIi7kEEr7eJpvd4Vpv3zqa+s/MP/ttWAQsXyzZGIAETBlAqkXrvU9fc6rlqVAviqc9EV9qo2tbEh6STeaAg==
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

2026-09-17T10:40:33.159335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061819
observed badd3dab6257c696dee812ea6bf57f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.131715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061819/manifest.json
observed f50b50c4448f94661213d50142413878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.108050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061819/publication.md
observed 7aa5ecb479707bc937d3de9f5fd0ac15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:33.081505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061819/publication.txt
observed df022bc27d0aed4aae1561465e4deba7...
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.