OpenTechnical

OT-2026-000017983

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017983) never changes.

Identity and time

Publication numberOT-2026-000017983 · never reused
Internal UUID01a0ae6e-96fc-7e1d-bc20-30d4d5b6dbd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017983
StatusPUBLIC

Content hashes

Canonical textc5a726199a709c6698882e3a1d1b33c0eb85554e8f2baa79fcc7a6a11d804475
Markdown0da606cace381437edfc6be04c1cf94248083ea8f495d1cc1ee75c59132e7420
PDF
Publication pageaea02ab1a9676d65a084bbf0f800c6b3f05a554b874710f80753b387c0c2d31f
Manifest31ea96d4f11e79a5ed1df0669ec0a79de2449847ceaf06eed9e13eae92060c24

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
SignaturebzXytTXDhRU2KWvZn7bDDyGRGKPk7a8FH84VhXkkUJfyl+wsTBR28rnDHZNclG26AH7cSXBwy4DlImySxilWAg==
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

2026-09-17T12:02:00.032838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017983
observed aea02ab1a9676d65a084bbf0f800c6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:00.015761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017983/manifest.json
observed 31ea96d4f11e79a5ed1df0669ec0a79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.999369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017983/publication.md
observed 0da606cace381437edfc6be04c1cf942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.983167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017983/publication.txt
observed c5a726199a709c6698882e3a1d1b33c0...
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.