OpenTechnical

OT-2026-000022910

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000022910) never changes.

Identity and time

Publication numberOT-2026-000022910 · never reused
Internal UUID01a0ae70-46eb-79a1-8548-92865b57097b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022910
StatusPUBLIC

Content hashes

Canonical text61b5793a711618e80bdb050983696b17c3f53a7b70fabb3f4440cffca1a41383
Markdown7dce8954847a7685d57ec310bdb83156a54b103a6bb5e4f695cf12fdd010cfdb
PDF
Publication pagee7d900c93c4b1603a41323e230f0e1eb54eb365bfb1c3733391489db259267b2
Manifestcd4aa8542be0fca17ea30de8d813cf321bd21c97e7671d44865716a77c850430

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
SignatureWKH+qtOvflNgMapgXagOde0Xya7uvS2Szv4tAqdRSAKgoeijO/4BJkBHepGV2NE6/+d0SCJUzdUkZ4y+OP6mDA==
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

2026-09-17T11:52:29.069316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022910
observed e7d900c93c4b1603a41323e230f0e1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.051221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022910/manifest.json
observed cd4aa8542be0fca17ea30de8d813cf32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.033447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022910/publication.md
observed 7dce8954847a7685d57ec310bdb83156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:29.016855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022910/publication.txt
observed 61b5793a711618e80bdb050983696b17...
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.