OpenTechnical

OT-2026-000007542

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000007542) never changes.

Identity and time

Publication numberOT-2026-000007542 · never reused
Internal UUID01a0ae62-4df6-77b5-ad2b-7dc8653ac440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007542
StatusPUBLIC

Content hashes

Canonical text10930fccd50f1fc1b1b382f2fd9e0245c334e2aab95b1d4bc6f0b5aed239256f
Markdown1bee275ca8b8fb16727ad5a68225c2d0864d96512a66d3c22f6edc708c310504
PDF
Publication page6f7b7929163f98f87d8654b4a8938e2849b96cf197548bcfd832af6d4868eb56
Manifest0de90b27eb68b012b510c4d99fd1e193750ba45d6a3ab370855ede5ca32d8424

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
SignaturenSeBgdLPC644cX+8nrG0tN+YIytf11fv6IPdGbFoIbHVFtZE+YRPA4di37yUM+AQLLD7tawuolV1+CwITElwDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.149514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007542
observed 6f7b7929163f98f87d8654b4a8938e28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.133725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007542/manifest.json
observed 0de90b27eb68b012b510c4d99fd1e193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.116360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007542/publication.md
observed 1bee275ca8b8fb16727ad5a68225c2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.100312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007542/publication.txt
observed 10930fccd50f1fc1b1b382f2fd9e0245...
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.