OpenTechnical

OT-2026-000050762

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000050762) never changes.

Identity and time

Publication numberOT-2026-000050762 · never reused
Internal UUID01a0ae82-c7b1-7420-9cbe-cd7500967a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050762
StatusPUBLIC

Content hashes

Canonical text1c8de83d3c76ad5d1d444e69bfdd2f7bc6022736cd85f8ca6c801d09c59d0b22
Markdown7daac301bbe0de1de93de0cc21982e8c02fd333a3d714b850318f7a4e9664cb5
PDF
Publication page3fae56069d173c7573b1306b62517f36f8842eb7a77751bfe24e5188e29d943f
Manifest645263dbd72095670d711839a63d08e06328bea4d1b270bdd7ee91a6ebf7f8e5

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
SignatureyMmBRnTa8MmTk1NAMaIkEewq0/FHCLrqjKIzHjZgytqB+9NZ78LyzoBh5f1iwdHRomH9AnU++Hjxk0YfY9UJBA==
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

2026-09-17T11:00:15.113955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762
observed 3fae56069d173c7573b1306b62517f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.075967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762
observed 3fae56069d173c7573b1306b62517f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.075576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/manifest.json
observed 645263dbd72095670d711839a63d08e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.043666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/manifest.json
observed 645263dbd72095670d711839a63d08e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.041050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/publication.md
observed 7daac301bbe0de1de93de0cc21982e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.018764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/publication.md
observed 7daac301bbe0de1de93de0cc21982e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.013857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/publication.txt
observed 1c8de83d3c76ad5d1d444e69bfdd2f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:14.998257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050762/publication.txt
observed 1c8de83d3c76ad5d1d444e69bfdd2f7b...
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.