OpenTechnical

OT-2026-000009954

Publication integrity record

Foam pad 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-2026-000009954) never changes.

Identity and time

Publication numberOT-2026-000009954 · never reused
Internal UUID01a0ae6b-cb79-7f85-ab02-545f0dc764d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009954
StatusPUBLIC

Content hashes

Canonical text98a5e1eb77898e9225dc5789f7a1cd789b67008cca98926f02ae9f6550b866fb
Markdown097664b9df83296309baad45ca6920e755e5105031bf18515f8c50051da23c8c
PDF
Publication pagea37fba3cd62617a40c87b90384385c5ba505be6e96137160868122c25d8076f4
Manifest8ef386db163a0e7fa00ae8178fd94093cecdd8c79df5e6a279f0600fe06f2481

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
Signatures06ZIM36UO+evIqWYb6aRqY5P4C6QAv4a+Rbuo3kwK2FLU/eiYQjASnJXKSxhASnChpshhgwWk4EBl3ZzVn9CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:59.340649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009954
observed a37fba3cd62617a40c87b90384385c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.322728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009954/manifest.json
observed 8ef386db163a0e7fa00ae8178fd94093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.305542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009954/publication.md
observed 097664b9df83296309baad45ca6920e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.287802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009954/publication.txt
observed 98a5e1eb77898e9225dc5789f7a1cd78...
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.