OpenTechnical

OT-2026-000013170

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000013170) never changes.

Identity and time

Publication numberOT-2026-000013170 · never reused
Internal UUID01a0ae6d-6fc8-7209-af3a-dc5491a37537 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013170
StatusPUBLIC

Content hashes

Canonical textd4c4f18e825c442b3659a34af25823438c5f654174be8c0c3bf82911caf1c4fd
Markdownaf386312fcdecd4bee841e4b98a36762564f3d444b923084963301b2c66a9c69
PDF
Publication paged8a7efde71cbf6237169cccbfd6609011b7ec97d4e5cd1b9aadb1b9800ab539d
Manifest853e5d9989b43f35b079b4ef5c0f5ad585ca4a5571b25c36757872659f8059fd

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
Signature5X583sB5BCYQ/GIRowSeVS1Vn/+M9ghx54X21maFjLvnuj5HPIP3NhHaUzv3/ldGPVMV8AEHR0Z9LqiHqbbFBw==
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

2026-09-17T12:09:32.718212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013170
observed d8a7efde71cbf6237169cccbfd660901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.700863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013170/manifest.json
observed 853e5d9989b43f35b079b4ef5c0f5ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.682302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013170/publication.md
observed af386312fcdecd4bee841e4b98a36762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:32.664430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013170/publication.txt
observed d4c4f18e825c442b3659a34af2582343...
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.