OpenTechnical

OT-2026-000074016

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000074016) never changes.

Identity and time

Publication numberOT-2026-000074016 · never reused
Internal UUID01a0ae93-2b8f-7365-8868-cadd7bda2f9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074016
StatusPUBLIC

Content hashes

Canonical text8a58cdb54ed57417a29e7f8b38b0aa231fa97c5f76c0fff19adadec56afded96
Markdown644d08dbee4a87a9f17bd9d015041492d545b7e9f6be5663196fd8cd969d3202
PDF
Publication pagee653a140489e080940c659e813296967564ba25b534db14caceea74659734e99
Manifest17b430de96acf1f6bd73f1054d81f205204b5601018ac4a955ee45d1253758c3

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
SignatureFvRPtlAD5PFaS4CVQd5w8NZvbw+QCtw8eo2ss+2vLagXS18V5FIY/uc9RQiv9mYCIogugA7ulbnrMr+9gKOlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:18.903863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074016
observed e653a140489e080940c659e813296967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.885782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074016/manifest.json
observed 17b430de96acf1f6bd73f1054d81f205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.867094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074016/publication.md
observed 644d08dbee4a87a9f17bd9d015041492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:18.835264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074016/publication.txt
observed 8a58cdb54ed57417a29e7f8b38b0aa23...
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.