OpenTechnical

OT-2026-000061604

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061604) never changes.

Identity and time

Publication numberOT-2026-000061604 · never reused
Internal UUID01a0ae8b-7b45-7cbf-b821-b2e7248413ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061604
StatusPUBLIC

Content hashes

Canonical text08cbc6dbe771608a0ea1b90732ef6c786b39d1936f5c1ac300be8a350b212fc6
Markdown8a210790d1486d107a96a8a39e348103d71fc2097d9c88490e7e8eb10fdd31a1
PDF
Publication page96565187db566ab8d3ea6e81c4a25456063c7c15d3bc43dcbd66fe0e673d8af8
Manifest4faec1537f67a2f410690f483f359fdae340ea1b8d9447ab22483d5a0e0eaf32

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
SignatureBKhK5TvN5QAQke3rrKIlQedt248e3K0E0q3pA1ViZD6DtdzHR0fd7rmJHSn8lX0ETwvcPtWN6kM2OtAsaifEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:31.950846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061604
observed 96565187db566ab8d3ea6e81c4a25456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.931305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061604/manifest.json
observed 4faec1537f67a2f410690f483f359fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.912455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061604/publication.md
observed 8a210790d1486d107a96a8a39e348103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:31.892943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061604/publication.txt
observed 08cbc6dbe771608a0ea1b90732ef6c78...
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.