OpenTechnical

OT-2026-000059875

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000059875) never changes.

Identity and time

Publication numberOT-2026-000059875 · never reused
Internal UUID01a0ae89-ec26-78aa-8a38-4f5364b2de55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059875
StatusPUBLIC

Content hashes

Canonical text647cff7b41ffd98b6be3963d27b22ba4322694b67dc6934f2e1cd782bba68b8c
Markdown99b39eb89476807de6f3b4f8fd89f27443308a6615764531f156d3ac6ee22060
PDF
Publication page6907d2e674b8c33310e80d18702b1100e81c43331c0592b1c59ceb68ad8eaac3
Manifest492b4fb57d48863ebe6cd7c2e1e3b64d0bc037e6b1afd84acb4a48d5357cc6a7

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
SignaturesprDDSas94sTiEGKonIG9PkcpCRvJpxUrCgy2g8/d0c2aQVZDTDCaShvLbESRysx8IxS5EYSh1JJdNKJ/e0JCA==
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

2026-09-17T10:44:37.867559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059875
observed 6907d2e674b8c33310e80d18702b1100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.850221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059875/manifest.json
observed 492b4fb57d48863ebe6cd7c2e1e3b64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.832183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059875/publication.md
observed 99b39eb89476807de6f3b4f8fd89f274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.814195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059875/publication.txt
observed 647cff7b41ffd98b6be3963d27b22ba4...
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.