OpenTechnical

OT-2026-000053737

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000053737) never changes.

Identity and time

Publication numberOT-2026-000053737 · never reused
Internal UUID01a0ae85-735d-7d00-a535-95e6619c0327 · 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-2026-000053737
StatusPUBLIC

Content hashes

Canonical textfb462bfeaeb00d11676705ef924ba7ba0b07f36bdf88845aa3bf633d75d0624e
Markdown5b5ae46697896959185dad31ec167175833379e7bc03f8ca9421c9aecf48fe5e
PDF
Publication page2fc2a24679b40a4b513bf5774a2d1688869e0d327d7d208c0a0ba5ff7415b0a9
Manifestf3b4957dad8d5d00ba9e7173a222525595218eade44463d053bf841b41df3289

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
Signaturep9axIcA1TOqeDMvDUUrH9qQq6eY/8wG2XzShvKudXVHCOzgl07SDdS62y8/WDeQfk3sX52bq2qGRyQQAqz5RCA==
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

2026-09-17T08:40:19.817882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053737
observed 2fc2a24679b40a4b513bf5774a2d1688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.794633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053737/manifest.json
observed f3b4957dad8d5d00ba9e7173a2225255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.778437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053737/publication.md
observed 5b5ae46697896959185dad31ec167175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.760430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053737/publication.txt
observed fb462bfeaeb00d11676705ef924ba7ba...
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.