OpenTechnical

OT-2026-000075049

Publication integrity record

Two cup vacuum gripper, two zone face, six 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-2026-000075049) never changes.

Identity and time

Publication numberOT-2026-000075049 · never reused
Internal UUID01a0ae93-ac2e-7c9e-bcfd-86e2d3660fb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075049
StatusPUBLIC

Content hashes

Canonical text25d84cea0ad172b6835d08d177da7c3b32e32c3af39b057ace1a3d555678c291
Markdownc3f2509d443b3db088c9323e2bf193eef9baff02841ca9fffb6ac47f26b0b24c
PDF
Publication page5a3014dde3c6d3d20bfac1a3c786a59e655f801edcc0f6b8e5983b0afa394699
Manifestdfdd52ca2d8c1782a4636e79ae8f6349d1e2b0564df82857bbaef897b883e5eb

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
SignatureesIBFp/nKtDy2Drprk2Z7IbUwEHs0txDE7tPYjoh0kYvQ9R74cN6fjKMVNULb4BMFjdVvfJk6+rra++uRnKdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:51.924586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075049
observed 5a3014dde3c6d3d20bfac1a3c786a59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.908255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075049/manifest.json
observed dfdd52ca2d8c1782a4636e79ae8f6349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.890793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075049/publication.md
observed c3f2509d443b3db088c9323e2bf193ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:51.872886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075049/publication.txt
observed 25d84cea0ad172b6835d08d177da7c3b...
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.