OpenTechnical

OT-2026-000008558

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, vented before 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-2026-000008558) never changes.

Identity and time

Publication numberOT-2026-000008558 · never reused
Internal UUID01a0ae6a-e46b-78bd-b049-7d188f9afb9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008558
StatusPUBLIC

Content hashes

Canonical text4f452da180986160fecf88d61c5e56f2a573e5039b49de76131a6871577c5aa1
Markdown04bbe57179a63af8a6f0c072f9687b6264f47ecfc894be2d483cba1936fa8092
PDF
Publication paged9f66b616ac45d6b80cd68efb0454dd6583ef2c23c9872ee21ec77dcb079ebd4
Manifest89d07bbc68d4ba02201b5f79981a65a3ad21cb4ad2e18c4dff453c8191ae1fc3

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
SignatureDr4LUxZjAHA9Vc61pNj9w5V87cvW83ew6UwLHrDnmWkoIsTAUA8ra7qdZeMs5HG5T07ABRoVciw5/hF5zqCXDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:29.611250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008558
observed d9f66b616ac45d6b80cd68efb0454dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.575441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008558/manifest.json
observed 89d07bbc68d4ba02201b5f79981a65a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.545813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008558/publication.md
observed 04bbe57179a63af8a6f0c072f9687b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:29.411068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008558/publication.txt
observed 4f452da180986160fecf88d61c5e56f2...
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.