OpenTechnical

OT-2026-000078472

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000078472) never changes.

Identity and time

Publication numberOT-2026-000078472 · never reused
Internal UUID01a0ae95-7c28-7f4d-873e-eab39b6db402 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078472
StatusPUBLIC

Content hashes

Canonical texte45b1a65ff6e7243092bd179d2f1705b2eae39f7361e82582135d71d29359986
Markdown15312f2a9d891417c505806744e7682fca0e1f66286498849d25c267ecc6a27c
PDF
Publication page7163ca642c15d44e9d7e806d85d372cd83f83dfa1fea10dfa68647dfea7d9c21
Manifestdd681285e309958bfee30846da7ebc7fca1601c6b9f1c933764fd43d8fd9cd1e

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
SignatureU7wseDmaxWdmRmXrOhm9Y/aQ4KR8ks2DLWmicGYzixntKQuihgq8keAWsTFgYqNxp/RSDnHG8whAa1lNTrFWBw==
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

2026-09-17T10:06:28.663938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078472
observed 7163ca642c15d44e9d7e806d85d372cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.646858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078472/manifest.json
observed dd681285e309958bfee30846da7ebc7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.628776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078472/publication.md
observed 15312f2a9d891417c505806744e7682f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.588970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078472/publication.txt
observed e45b1a65ff6e7243092bd179d2f1705b...
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.