OpenTechnical

OT-2026-000058294

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000058294) never changes.

Identity and time

Publication numberOT-2026-000058294 · never reused
Internal UUID01a0ae88-f398-73f1-bf81-abfa52ed612d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058294
StatusPUBLIC

Content hashes

Canonical text46ec8b8a8b606f6f1e52ef7ee551221a13e8700dddec279cdf979725a21cf555
Markdown80bfbcc5cf868daac2d0d4f258ac0ed55d8fbc124bbf3c4fb7f5015ddbb2af33
PDF
Publication page15e90ffe6fa356129ad29bf5a7ada3eece09ee9f40712b91c899fd1be4aa1aeb
Manifestc9792f4e083f6c23af9e759d516d03c38d2fc4d3bf864b1132006ada185d34d1

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
SignatureNj2a56OSv79mFeismt87IxYqp2l3fY9ODoHxfzaiikv9Cl00wKRRR0mPzxmRNAOClhsRnYPCmTUHX5+mHABTAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:41.322616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058294
observed 15e90ffe6fa356129ad29bf5a7ada3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.304888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058294/manifest.json
observed c9792f4e083f6c23af9e759d516d03c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.284261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058294/publication.md
observed 80bfbcc5cf868daac2d0d4f258ac0ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:41.267024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058294/publication.txt
observed 46ec8b8a8b606f6f1e52ef7ee551221a...
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.