OpenTechnical

OT-2026-000081002

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000081002) never changes.

Identity and time

Publication numberOT-2026-000081002 · never reused
Internal UUID01a0ae96-b975-710d-bfcf-fbcdcbc4e176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081002
StatusPUBLIC

Content hashes

Canonical text99cfb32997bb4a2b16443093fc71e96114f0efdd361c2ee40c3c9febf107b339
Markdown5043ee9011ef909e7d883097872c4290cd2f039aa6a496178f03387b855bfe9a
PDF
Publication page359591f545d405ef8e076b2b6d67fb175ea1fcc158e91a1672927fdefa5dd886
Manifest729b8e3963eb0b22cff55e16964140727a298fa69991112ec9d5f7af4badf6f4

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
SignatureaCfbBxNOouWXXsaOAxyq8u5y8tIF0CoM2ndG8y5S+SHL9BgdGEFhMM42JJbV5Blfmg1kX9mciWemtwFoaHelBw==
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

2026-09-17T10:02:17.336881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081002
observed 359591f545d405ef8e076b2b6d67fb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.320415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081002/manifest.json
observed 729b8e3963eb0b22cff55e1696414072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.303891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081002/publication.md
observed 5043ee9011ef909e7d883097872c4290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.288635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081002/publication.txt
observed 99cfb32997bb4a2b16443093fc71e961...
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.