OpenTechnical

OT-2026-000071356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000071356) never changes.

Identity and time

Publication numberOT-2026-000071356 · never reused
Internal UUID01a0ae91-e0ed-7e02-97fc-650413bbe7eb · 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-2026-000071356
StatusPUBLIC

Content hashes

Canonical texte5ad9eedb904fc1360c144f9b8c59d6c5973447f87db8767d18a008b59e7c134
Markdownb86b8ce60062f441489744bd12cdd597c040d71224eec8af20bb87b95e6f7eb6
PDF
Publication page8701a91bc0689d7809aae1d145291ab5f019402586c2424b50f5535a6c1c8ba5
Manifest99fb16cfdc5be3ef508db5a473a9069be8cc24824c3031f70c49cfd57ef886e2

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
SignatureW1F0pH2ecAdhZRcxffUGmlASj2cavV+KZz4tcioCuijLQOLCOS/npmp3tphsiTtIC4CwO6Z2sf6K2RazwMG6Cw==
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

2026-09-17T10:24:57.868212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071356
observed 8701a91bc0689d7809aae1d145291ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.849853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071356/manifest.json
observed 99fb16cfdc5be3ef508db5a473a9069b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.833294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071356/publication.md
observed b86b8ce60062f441489744bd12cdd597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:57.817125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071356/publication.txt
observed e5ad9eedb904fc1360c144f9b8c59d6c...
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.