OpenTechnical

OT-2026-000017481

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000017481) never changes.

Identity and time

Publication numberOT-2026-000017481 · never reused
Internal UUID01a0ae6e-76c9-753b-bcdc-04cd94de00b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017481
StatusPUBLIC

Content hashes

Canonical textb74d708400d9669c680c99dac85777d0eecb3233de54dfb8d1feb631b2633c36
Markdown65226962047eac98ca0a51cb6c8296fdafe4b7597d84c8eef31de15f920da53c
PDF
Publication page4c071c32ad55b437a5a6d19e6e90b551401badc0b8076a8c4d11cf9033402057
Manifestee1f572ad160ba5305f6e2a162d749d1b8a775c73e19ab08e715aeaf38c6a886

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
Signature+cUnHD4c/PUjqKaBm95wB6ynJAGk78Qi2rQkq63zCgJreGEkq7iJ92ZRH2NcsUezAV0h8A+eqkWMXaNKwbs2AA==
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

2026-09-17T12:02:37.681166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017481
observed 4c071c32ad55b437a5a6d19e6e90b551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:37.662082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017481/manifest.json
observed ee1f572ad160ba5305f6e2a162d749d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:37.644178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017481/publication.md
observed 65226962047eac98ca0a51cb6c8296fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:37.626270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017481/publication.txt
observed b74d708400d9669c680c99dac85777d0...
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.