OpenTechnical

OT-2026-000018219

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000018219) never changes.

Identity and time

Publication numberOT-2026-000018219 · never reused
Internal UUID01a0ae6e-b488-7829-8293-7e2984c47fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018219
StatusPUBLIC

Content hashes

Canonical text7b03d58da5ee09084055d880dc5050044c828357babe8b5d8b7a75ab2acf863e
Markdown061aa938e38530bf250ce50599b17b8825147330610be550886877e7332aa14a
PDF
Publication pagee4847539072d78a4a9a253f28ad5ba064eb37db60bf95af76f4d17a0d4d63c7b
Manifest8537c02dd73acbd99caf1368993d0e26db8eb7a6076e4b49c1a1e53fd42b568f

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
SignatureQFuOThAlT+xkro04H94CjMBP7lPBTCXZygiSKhR3R8V4ZHL6B0LHpUiCOTx2wWMspgONcQhxaAY47lokCM9OBw==
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

2026-09-17T12:00:00.372923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018219
observed e4847539072d78a4a9a253f28ad5ba06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.353805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018219/manifest.json
observed 8537c02dd73acbd99caf1368993d0e26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.333234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018219/publication.md
observed 061aa938e38530bf250ce50599b17b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:00.312463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018219/publication.txt
observed 7b03d58da5ee09084055d880dc505004...
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.