OpenTechnical

OT-2026-000057443

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000057443) never changes.

Identity and time

Publication numberOT-2026-000057443 · never reused
Internal UUID01a0ae87-d5c7-751e-a090-52eb3f3a5d84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057443
StatusPUBLIC

Content hashes

Canonical text74888e9ca81f1efbefb096c41e805699e7b901fd1030a9f9683b5491c7e6633e
Markdown733a24a5bcb0cd9e61574280a34c5dd72a19ba4b1180367f5834ca54135171f4
PDF
Publication pagecaf076de2e0b22dca4de486e81609944034051055e0bfd6aa5ca8767b191fe66
Manifest6c5bdd3c0386629f6405a94b3cf7c04970f365db67537afb4fc98d93b160933a

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
Signatured/FCrcsvkAePVwIK+rR42o56exMxYWNDofgGqJQU6UX/0sW9cSTNJPNWg1QeUGxrc5b7s0LNOxDnn72yKT7PDA==
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

2026-09-17T10:49:44.307171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057443
observed caf076de2e0b22dca4de486e81609944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.288486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057443/manifest.json
observed 6c5bdd3c0386629f6405a94b3cf7c049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.269636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057443/publication.md
observed 733a24a5bcb0cd9e61574280a34c5dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.250937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057443/publication.txt
observed 74888e9ca81f1efbefb096c41e805699...
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.