OpenTechnical

OT-2026-000057608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000057608) never changes.

Identity and time

Publication numberOT-2026-000057608 · never reused
Internal UUID01a0ae88-2694-72a8-837f-2b422ad9fa0c · 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-2026-000057608
StatusPUBLIC

Content hashes

Canonical textc061000e3a6e4a05398d012cdacee1f7aaef0d736814ddb848c1cbc7eb6609a1
Markdown0cf2a3ec96ca452746805f8e3079bf6061642bbd4127548bf82f879879c29bd8
PDF
Publication pagee795d32526221d5907d556cde6bd0cb69f7540ce5347cfa8963bc9fce01c9979
Manifest562857a80ff36dc89d9a21f79debf9469bde75299abc291cf9ab05eb7aa2cbb7

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
SignatureOcfiHRrnAg1CigKVpQsL5pCaJEx3mwIdDffYnLna4/zEZzY0RTRgvFiGuM81XtVjbcAtYAbi5I/pJfQzBRtnAg==
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

2026-09-17T10:47:58.881340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057608
observed e795d32526221d5907d556cde6bd0cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.860803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057608/manifest.json
observed 562857a80ff36dc89d9a21f79debf946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.839925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057608/publication.md
observed 0cf2a3ec96ca452746805f8e3079bf60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:58.800690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057608/publication.txt
observed c061000e3a6e4a05398d012cdacee1f7...
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.