OpenTechnical

OT-2026-000015277

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000015277) never changes.

Identity and time

Publication numberOT-2026-000015277 · never reused
Internal UUID01a0ae6d-ef48-7b00-9ff7-e0955fbfe879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015277
StatusPUBLIC

Content hashes

Canonical text500bd492928c0792b9f0a80c851dfeb8c0c6eb8b5c9bf4ce2ba4aa1f97c2804f
Markdowne73a660c7f784e9a54b0a388380abe90e17e64c202d15428357886e2a09fea71
PDF
Publication page14894130e96e3970522a670887d0134b4a1dbc3fbfecdb7a61441a6aa0b790a8
Manifest3bee08537ebcec6116a467ef06373cf1825b5f0925058e465950f339c53901f8

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
SignatureoS/mM086UWqtVCE21YnAc56TJc2BzmIPYh+SYxvRT/DHuTspJUSds7ixfFzVPFSJOvpG3wZCV4Z2wXBThyQtDw==
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

2026-09-17T12:05:57.503728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015277
observed 14894130e96e3970522a670887d0134b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.483762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015277/manifest.json
observed 3bee08537ebcec6116a467ef06373cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.462766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015277/publication.md
observed e73a660c7f784e9a54b0a388380abe90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:57.442511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015277/publication.txt
observed 500bd492928c0792b9f0a80c851dfeb8...
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.