OpenTechnical

OT-2026-000089492

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089492) never changes.

Identity and time

Publication numberOT-2026-000089492 · never reused
Internal UUID01a0ae9b-db02-7c02-a6ab-75dd98d59edc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089492
StatusPUBLIC

Content hashes

Canonical text1fdf46f7f4338586934ef6946cc6dbffd07136a85d1cfe6e4efb729cfaed196f
Markdowne7c5317145bc86295748c5479eba827a778c3b1bfb8a31959f6616546d6e3541
PDF
Publication page89fbf8f3688f005d41ba1eb5c0747bac3618157b6ae7481d2329b15668436350
Manifest209d7862ed6ab66f51c0bc27d03ecac6b95a48548d2f5b289da2a44be21c147b

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
SignatureouAnvYmEyRrzAjVysOZFnT4SMvQN2/VO+1sDHJZ/OCNvIjzUIyguQmPRuVqKWqXx1il/8vAupv1B+ss8EpDTCw==
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

2026-09-17T09:47:38.655060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089492
observed 89fbf8f3688f005d41ba1eb5c0747bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.637997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089492/manifest.json
observed 209d7862ed6ab66f51c0bc27d03ecac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.621165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089492/publication.md
observed e7c5317145bc86295748c5479eba827a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:38.602955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089492/publication.txt
observed 1fdf46f7f4338586934ef6946cc6dbff...
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.