OpenTechnical

OT-2026-000071288

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000071288) never changes.

Identity and time

Publication numberOT-2026-000071288 · never reused
Internal UUID01a0ae91-e0ec-78aa-a18b-21f07f8cb687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071288
StatusPUBLIC

Content hashes

Canonical text0dc2c528bb0757807695b91e7639c9e08415b4990b88474919671253f943f84c
Markdown8e468ed66fea40f8a29ea7b6d5cb47577c7db3627cf744614a788a8efac67189
PDF
Publication page3db8a941faca671f51827df4886d822dfc78235d021015c23cc8bcd172ebcdad
Manifest7c00304928c554cbdec54ebf66a5535d43dc254da63d0a757a30e173eb4f3a53

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
Signature20q/NwUs2Tdmub/qzu4ozF1kc1wCKwawmpsK5Ny34cSKw3dqQMOYivWWrpBbPdQr5DpiGxro38gnPUlJWhtlDw==
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

2026-09-17T10:24:51.103200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071288
observed 3db8a941faca671f51827df4886d822d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.084405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071288/manifest.json
observed 7c00304928c554cbdec54ebf66a5535d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.065942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071288/publication.md
observed 8e468ed66fea40f8a29ea7b6d5cb4757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.047724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071288/publication.txt
observed 0dc2c528bb0757807695b91e7639c9e0...
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.