OpenTechnical

OT-2026-000073664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073664) never changes.

Identity and time

Publication numberOT-2026-000073664 · never reused
Internal UUID01a0ae93-2b8c-727a-86cb-1071e9372805 · 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-2026-000073664
StatusPUBLIC

Content hashes

Canonical text306bf967983e0ce65ef4ddf67a0e43a70a7b800317520f436df25b2d7e89098d
Markdown5d08b2f7a0b73b1dddf0d41622c6f749e9d841eca179aff7fa6176e409d11f65
PDF
Publication pageea7f56adf45d2ecb97f0690d8de1da1b13faffcb23e63dc9b544796685642ab9
Manifest7f8d9d3b67f5c650ee8b162fb38a4f2f99fa951402bee6b6a6e5ac4c31c2b321

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
SignatureJsRAb5wGvxNTVqjmuHR9V6oHnXeHa29H7gBkxGPIMT7j6vxzGubeed6lSIGAG+lBDWPXqqr2gVld+LLhKaBoDA==
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

2026-09-17T10:19:43.120262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073664
observed ea7f56adf45d2ecb97f0690d8de1da1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.100099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073664/manifest.json
observed 7f8d9d3b67f5c650ee8b162fb38a4f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.080038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073664/publication.md
observed 5d08b2f7a0b73b1dddf0d41622c6f749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.060943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073664/publication.txt
observed 306bf967983e0ce65ef4ddf67a0e43a7...
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.