OpenTechnical

OT-2026-000007034

Publication integrity record

Porous face vacuum gripper, common isolation valve, three stage ejector, vented after 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-2026-000007034) never changes.

Identity and time

Publication numberOT-2026-000007034 · never reused
Internal UUID01a0a970-4b1e-7d61-9b65-662b30280fd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:23.905426Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007034
StatusPUBLIC

Content hashes

Canonical text2974b2f4a23ef2e9e5dc54631fa0168336bfb7eb2b3e6ecf3b85c57956a25a22
Markdown4cb931ace6e711041aa76fdc23541576a68a28cf976493ec18dc3e4de6041d18
PDF
Publication page1b0e2710d4948352febcdff4aad6d626e204b1857bfab24ffd1818fcf344637b
Manifest8406c31a58f14317eeb36780ba3892dddf5a748677dccdcf6312688ee1c89a83

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
SignatureVisBK4eE2eMQwAQQhVybF/5ZHzDy56SGJIop6q5N2H8IIYMixB/DzLMT3rpq/4TaNjLNJp1LVhWUC5nNDJRxBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:09.461425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007034
observed 1b0e2710d4948352febcdff4aad6d626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.447538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007034/manifest.json
observed 8406c31a58f14317eeb36780ba3892dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.434134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007034/publication.md
observed 4cb931ace6e711041aa76fdc23541576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:09.420737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007034/publication.txt
observed 2974b2f4a23ef2e9e5dc54631fa01683...
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.