OpenTechnical

OT-2026-000027073

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027073) never changes.

Identity and time

Publication numberOT-2026-000027073 · never reused
Internal UUID01a0ae72-3453-7fd1-aa28-f978d47ce644 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027073
StatusPUBLIC

Content hashes

Canonical text258e2ac8352b2769c549f91b11ba1c1645382e29de1de4469c4d4c66153d8882
Markdownd5503852666c35cc4c78d7434d718e3f0444e08d37fdf143b4db08e50eb5d80c
PDF
Publication page45f3c8b773ad6c2fbc7b242c088b3d969c2bfd6b95b74d2e04741b6bbeb02c56
Manifestb3a7a26991caa99bcb36f4040b1302792e247dbf7bb82f6e213ef8f8ee7f1da4

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
SignatureqoWqrMGaYe/zD2+RB4FHfC5WsSu6H0h8OKk4xRkgXVb2haD2wsI91iDJ0BuJUTkRTXCzCU2IFrNnBMyz4lFYDg==
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

2026-09-17T11:43:50.178206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027073
observed 45f3c8b773ad6c2fbc7b242c088b3d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.159417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027073/manifest.json
observed b3a7a26991caa99bcb36f4040b130279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.140533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027073/publication.md
observed d5503852666c35cc4c78d7434d718e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:50.121971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027073/publication.txt
observed 258e2ac8352b2769c549f91b11ba1c16...
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.