OpenTechnical

OT-2026-000057668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000057668) never changes.

Identity and time

Publication numberOT-2026-000057668 · never reused
Internal UUID01a0ae88-2694-7775-9816-8c3df85ec048 · 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-2026-000057668
StatusPUBLIC

Content hashes

Canonical text054697d56d598be56927afa434d7ed547ea52a169f4155d23b202c6c1dc457cf
Markdown96ce384366edb0143ce5310546810ade3ee1a3fa96fda9a5220029cdbf3bc44f
PDF
Publication page63aa098fd904634e7b66d67e4844a9a48739768bdd13c81862474f52444ae27f
Manifest41d190253d0d0429f6e21f4dc5a5e7151ce7af26e7d55cde3a0c4e0cf6d1c64d

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
SignatureSTYYgZvLTlONsS057iEcVCURZprgtmqg9GclrjY78wAog4iZf+p9PFj4vpn4swsDrp6T+rK4jgwg+UaDNuDxDA==
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

2026-09-17T10:48:19.201871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057668
observed 63aa098fd904634e7b66d67e4844a9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.181912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057668/manifest.json
observed 41d190253d0d0429f6e21f4dc5a5e715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.161659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057668/publication.md
observed 96ce384366edb0143ce5310546810ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:19.140201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057668/publication.txt
observed 054697d56d598be56927afa434d7ed54...
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.