OpenTechnical

OT-2026-000007946

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000007946) never changes.

Identity and time

Publication numberOT-2026-000007946 · never reused
Internal UUID01a0ae6a-908b-74db-ab12-460700bbb5dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007946
StatusPUBLIC

Content hashes

Canonical text7e59de5b15eb635f7268857a6d43ba1c752237afde293983b5a4bbafd6fad04e
Markdown06b3a9af5c10b04b12049f797c60f4653f12264a344b8b72fb3dc334f1750c68
PDF
Publication pagec2e4808e13712924a3370de0c95b29433a4f984f8c69e74ba8c4a22ca5be3ea4
Manifest37841a677fc19d5ff938306bebce0c9bcb2f81ae88cf7d43f26cc0f380469b75

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
SignatureqSBLfpukdmgmw0gGbwNHSCnxzSBfzgTc2bH5B8eBHRGwLxnly9HhMSoQgQ9UUZNsfxI3n6DWGty9b+klb/mZCQ==
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

2026-09-17T12:20:27.139708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946
observed c2e4808e13712924a3370de0c95b2943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.120803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/manifest.json
observed 37841a677fc19d5ff938306bebce0c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.102409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/publication.md
observed 06b3a9af5c10b04b12049f797c60f465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:27.083217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/publication.txt
observed 7e59de5b15eb635f7268857a6d43ba1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.671273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946
observed c2e4808e13712924a3370de0c95b2943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.654806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/manifest.json
observed 37841a677fc19d5ff938306bebce0c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.637725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/publication.md
observed 06b3a9af5c10b04b12049f797c60f465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:04.620294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007946/publication.txt
observed 7e59de5b15eb635f7268857a6d43ba1c...
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.