OpenTechnical

OT-2026-000073924

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before set-down, on a tool changer

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-2026-000073924) never changes.

Identity and time

Publication numberOT-2026-000073924 · never reused
Internal UUID01a0ae93-2b8e-7e76-a04b-ea04de7bb2ea · 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-2026-000073924
StatusPUBLIC

Content hashes

Canonical textb566ae898d7907dbc2f6389be0eadbd78e7bd371d876d796ed6315b872ef0801
Markdowndface26be8c8f3d70c1065f81631405a6cf4634c4e090076c0f43915aba3ec4a
PDF
Publication pagea4cc1933f8dfeac593bc5c66b384690b3f1e4310dd5b9de559c3ea7b22faa415
Manifestd1b834dc60da32439399ce5b2bcb35ae4d4918a9451468aa4b3bc8d0026ef829

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
SignaturenL3iWAyRLWJhp1iIg4OgFnOHShwPzfjrHGqwdmYTo/7Gi18NCUZF8QIufqGx4Mu+94aUcAydWEw5zZPIkwT5AA==
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

2026-09-17T10:20:12.215642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073924
observed a4cc1933f8dfeac593bc5c66b384690b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.195935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073924/manifest.json
observed d1b834dc60da32439399ce5b2bcb35ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.172992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073924/publication.md
observed dface26be8c8f3d70c1065f81631405a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.152177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073924/publication.txt
observed b566ae898d7907dbc2f6389be0eadbd7...
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.