OpenTechnical

OT-2026-000057512

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000057512) never changes.

Identity and time

Publication numberOT-2026-000057512 · never reused
Internal UUID01a0ae88-2692-7f3e-b2dc-9a1354599534 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057512
StatusPUBLIC

Content hashes

Canonical text23b0d98d28fb12902672794b84689ad27cf543d2fdfa73ee2e1f58c7fb68b787
Markdown8436f914f5ab352f5628d43e80eba6f24b9b0d84fc93c2857d79f115e9b05cc8
PDF
Publication pagefeaf7cba2e4ffd0ccbaee8cc63e904ab89d94eee09bfe239aed8e99d1b5294b7
Manifest6dfa7d3a540e91ce24974e2edbc0b3f62e91b55487a418d5b7491b85d1711a86

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
SignatureIRKsCh5FSg1WGMVA5onot0rSV5W2eqqA9vjl8il1uc+dL9dDEPT6SU27wb8bfPt9Ih8TaJ7p24qm0SZfJl5ABA==
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

2026-09-17T10:48:02.555256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057512
observed feaf7cba2e4ffd0ccbaee8cc63e904ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.535791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057512/manifest.json
observed 6dfa7d3a540e91ce24974e2edbc0b3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.517852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057512/publication.md
observed 8436f914f5ab352f5628d43e80eba6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.500819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057512/publication.txt
observed 23b0d98d28fb12902672794b84689ad2...
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.