OpenTechnical

OT-2026-000088106

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000088106) never changes.

Identity and time

Publication numberOT-2026-000088106 · never reused
Internal UUID01a0ae9b-1aa7-759a-a03c-87b4ca2f1d47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088106
StatusPUBLIC

Content hashes

Canonical text7aeb02557e00534ad39aa2a6c29a5a8b4b2202fac263bc471b63b2bc076df8f4
Markdown0da3c9a6753f18b63a4a0c8bb103cd03838ea75d94f2292e8554b4ac2f238677
PDF
Publication pagef7c52d39f56c50cde3a40875d97d40a2583d2388f7083c5dc39ea433d11bc06e
Manifest6b412faba5d058f27f511f46bd33606a92512cd118a29207eb81693d53db4e6f

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
SignatureReTF1yLXXW+k3p0CP77O65GPU5u5INouiuyCgoBNk9uI08rVrljLlmA7eSoPASo5cGr4kUtgK+Wvbrr0Ys0EBg==
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

2026-09-17T09:49:26.939257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088106
observed f7c52d39f56c50cde3a40875d97d40a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.922067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088106/manifest.json
observed 6b412faba5d058f27f511f46bd33606a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.903771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088106/publication.md
observed 0da3c9a6753f18b63a4a0c8bb103cd03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.886171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088106/publication.txt
observed 7aeb02557e00534ad39aa2a6c29a5a8b...
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.