OpenTechnical

OT-2026-000031299

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000031299) never changes.

Identity and time

Publication numberOT-2026-000031299 · never reused
Internal UUID01a0ae74-87ac-7552-8ae6-650f0bb91d28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031299
StatusPUBLIC

Content hashes

Canonical textda1575efef92898b059a39d0bea3ba8f7b1b685347f6c731ada641cdc3a7e43c
Markdownea2f8e6c115f9af6b8a96b9b9c01db1de6d7bd050c02c0a104b8b15c9c0bbf62
PDF
Publication page7d7884eb6faa52f5f29333159e4011a66f6717fff43b487906f9b5138806bd9a
Manifest64b4dc0ccbfcf69c6c55a8ef8e2617bf2019885aca2b0fc04a51fd04969a101b

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
SignatureSJkKl+/1tWjB82OhK7/4yiHH87wGHl1FwBUUYkFzks//jbyfurDeABQF/zbO1ZsO5KmMzP8xO09OSWN5XXdNCg==
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

2026-09-17T11:35:53.218605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031299
observed 7d7884eb6faa52f5f29333159e4011a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.202059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031299/manifest.json
observed 64b4dc0ccbfcf69c6c55a8ef8e2617bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.180930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031299/publication.md
observed ea2f8e6c115f9af6b8a96b9b9c01db1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.163694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031299/publication.txt
observed da1575efef92898b059a39d0bea3ba8f...
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.