OpenTechnical

OT-2026-000053863

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000053863) never changes.

Identity and time

Publication numberOT-2026-000053863 · never reused
Internal UUID01a0ae85-735e-757a-94e3-eb788fc402d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053863
StatusPUBLIC

Content hashes

Canonical text87b1d45ca827527a1e8f99a3bc711c073716f9413f769a85bfae14e8f0902ffc
Markdown468125d44bae1d8308f58b8d520748392362a370b595c967e79e20a7f83079a3
PDF
Publication paged9b44fc82c6dd0913c77804bb9aed327a86a0ce18ebd6ca1777f615ebf86c374
Manifest80d3abf307d566a17c14d17f6b02bb51ddb209ccfea2324e09332a96c7b819cf

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
Signature71dHMpyXvPr/0TJxAgof0zwNm2W8ZRV0lwIes0bF70GbsEvW7+N1ZGGFXqZUBHp9dT5M2hPiUEB70pL4LmgYCQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:37.209515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053863
observed d9b44fc82c6dd0913c77804bb9aed327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:37.190906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053863/manifest.json
observed 80d3abf307d566a17c14d17f6b02bb51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:37.173145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053863/publication.md
observed 468125d44bae1d8308f58b8d52074839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:37.156198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053863/publication.txt
observed 87b1d45ca827527a1e8f99a3bc711c07...
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.