OpenTechnical

OT-2026-000045667

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000045667) never changes.

Identity and time

Publication numberOT-2026-000045667 · never reused
Internal UUID01a0ae7d-8f03-7c95-9092-63d5bc9dcb31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045667
StatusPUBLIC

Content hashes

Canonical textf0e502b6d26da44536ac8b27726c3765b962d3d3687180f0e3e8096b265e8798
Markdownc173dde032087f41518c76b656582aa1206e7d31d39642adbac06ec259ec42b8
PDF
Publication page5f24d0f9da64ead92c48394cc84cd916a8d41f24f682d8c94aa3604ae91b88e1
Manifest68a58c0cf039830a3f6685472c77fd3b02063771f885b1a08f4eec4535c5e8c7

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
SignatureObv+lk8ReJ/ctgomGQmS0waD8rNMzlwR90gLo8aAv+A3mO1UxSo6uK91KKQX70R5RewMP/dVkxn2Btt4hvppBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:27.807002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045667
observed 5f24d0f9da64ead92c48394cc84cd916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.788080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045667/manifest.json
observed 68a58c0cf039830a3f6685472c77fd3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.768141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045667/publication.md
observed c173dde032087f41518c76b656582aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:27.748995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045667/publication.txt
observed f0e502b6d26da44536ac8b27726c3765...
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.