OpenTechnical

OT-2026-000064796

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000064796) never changes.

Identity and time

Publication numberOT-2026-000064796 · never reused
Internal UUID01a0ae8d-debb-78a5-a0a7-42862502c3e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064796
StatusPUBLIC

Content hashes

Canonical textfd7113537d38fa7872481f9cbeab71529a9fa87969bafc0b4d4343a61fd5f4a0
Markdownaaa53dd413cba2bbb5c7a0e382ad373afd8e3cf492efc4bd3218a75c959e2034
PDF
Publication page96fe52b0ebdf81f9d54b57e2b4d58cd71dd0cbfe33a85a1e1e45772d0574eb13
Manifest6f42ba3037c3e1e79321edb7e92c9950e64a59f84e1970ae92035c87e6d147b4

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
SignatureNbcQ1akFuFOsKvZTCbOxrmn4L6kgaQtG+T3Ik/CbomAKszyr2CqT3z3pAtFnbQbuSGT2E7VCTWsPBs6vlxHDAQ==
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

2026-09-17T10:35:41.761664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064796
observed 96fe52b0ebdf81f9d54b57e2b4d58cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.744872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064796/manifest.json
observed 6f42ba3037c3e1e79321edb7e92c9950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.727984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064796/publication.md
observed aaa53dd413cba2bbb5c7a0e382ad373a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:41.711067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064796/publication.txt
observed fd7113537d38fa7872481f9cbeab7152...
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.