OpenTechnical

OT-2026-000057508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000057508) never changes.

Identity and time

Publication numberOT-2026-000057508 · never reused
Internal UUID01a0ae88-2692-7cb0-91eb-abc9e4f967cb · 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-2026-000057508
StatusPUBLIC

Content hashes

Canonical text46ab046d09f2d005c31d586fd5140e6fcec8f59e8d0f8d7b6941c84572a0c870
Markdownf2d9638c3b5fb5b13c23ad790048816a0e96b53a0cbaa7245bd0771cee3237de
PDF
Publication pagec1170bb5a18d04cb7128f052a7b24b562e3f4828818a7afc34c048eec8289400
Manifest2db82b5a815e6ba52c58e5cc3594dd1b2d29076e36f61f430909154068d4ed57

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
SignatureGKcCGpvpjka1ugzCMccsLOszY54vfbhuB/gsibeCzL8jiHWP8FP/2Mpc6F2H0z/lFd/LudSqqyUfDnhUKZBNBg==
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

2026-09-17T10:48:02.270802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057508
observed c1170bb5a18d04cb7128f052a7b24b56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.253905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057508/manifest.json
observed 2db82b5a815e6ba52c58e5cc3594dd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.236996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057508/publication.md
observed f2d9638c3b5fb5b13c23ad790048816a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.218986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057508/publication.txt
observed 46ab046d09f2d005c31d586fd5140e6f...
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.