OpenTechnical

OT-2026-000057757

Publication integrity record

Two cup vacuum gripper, two 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-2026-000057757) never changes.

Identity and time

Publication numberOT-2026-000057757 · never reused
Internal UUID01a0ae88-6ed7-7b04-9371-451f554cb164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057757
StatusPUBLIC

Content hashes

Canonical textdd83dec033023ffab7ceb5d7ee326503ce205d31020baa10be2de135fab2e9dc
Markdownb9427d88dd82cd204eecf708422cf9cfde3a22ab6e8761d5021a5cdca7d45da8
PDF
Publication pageada7d5ce1571851916b0598d7b329621914766397b9e810c2c615fb3dfc4aed7
Manifestedfdb295ca6b5370a305fc1c84289ecf06e28367ce609e8c2045e3c255ac37f1

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
SignatureBRT05z/CDB3QjQLfmKxM/KZPAAPrCUseB2P8ype2+BhKsNeiSgN5kYMyC0y7dD7BgAL4iqDuGD5Utf544wVSDg==
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

2026-09-17T10:47:18.129321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057757
observed ada7d5ce1571851916b0598d7b329621...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.111388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057757/manifest.json
observed edfdb295ca6b5370a305fc1c84289ecf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.093132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057757/publication.md
observed b9427d88dd82cd204eecf708422cf9cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:18.075101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057757/publication.txt
observed dd83dec033023ffab7ceb5d7ee326503...
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.