OpenTechnical

OT-2026-000057552

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000057552) never changes.

Identity and time

Publication numberOT-2026-000057552 · never reused
Internal UUID01a0ae88-2693-79e9-926f-2c08b3d42bd4 · 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-2026-000057552
StatusPUBLIC

Content hashes

Canonical textd538b96af219988c5cf7ceef9d6c5d70f5d02d83be4667e0c7e01be6b66bfbd5
Markdown7b2ece01c75597335f13676444fb095dce1a98cb318a8ee4b6be541484fa4991
PDF
Publication pageaef7bbc9c86eee5125e14969964ccf65b4520633e01218fdfb555732ab0d0ba6
Manifest80d7628b9a4a41d6858f51ec0d52699da8e2164f84c218ef379c6c940b295edd

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
Signature1Aj091kz+Cv5dKuSgc5rkZHOT1b1+5w7hoIqeZccjpv3E6t72E5dhiHjqhtjNek2OC/2IxvmpuLEiDvZ1terBg==
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

2026-09-17T10:48:05.593880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057552
observed aef7bbc9c86eee5125e14969964ccf65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.576932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057552/manifest.json
observed 80d7628b9a4a41d6858f51ec0d52699d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.557176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057552/publication.md
observed 7b2ece01c75597335f13676444fb095d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:05.535620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057552/publication.txt
observed d538b96af219988c5cf7ceef9d6c5d70...
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.