OpenTechnical

OT-2026-000053474

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000053474) never changes.

Identity and time

Publication numberOT-2026-000053474 · never reused
Internal UUID01a0ae85-0a90-7aed-8590-8ecefd3448af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053474
StatusPUBLIC

Content hashes

Canonical textb5dee22676682927cdf612d32d442e22ca7c792633511fd0ec62c641ede35032
Markdown23176a9d77a4e89c6e60369d863e22f06e1c719d235851c15917629f63857c7b
PDF
Publication pageb6b3d22b3045d2350eb654108b20e7f24856b1622b217880db11ed9d252ca47b
Manifest17587cf92ddd79f82681cea592789002135ca72d7b7b10a6ca5314ca9d06f47a

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
Signaturea9YA8QqFN6Lz5j6xNsFl8G7coTBt+h1pxLweSh2vvMCCKMQXh8/8SFsx3fdatN4XNPm/0sNYd6wydLXggw+kBQ==
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

2026-09-17T10:55:13.593731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053474
observed b6b3d22b3045d2350eb654108b20e7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.575383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053474/manifest.json
observed 17587cf92ddd79f82681cea592789002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.556239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053474/publication.md
observed 23176a9d77a4e89c6e60369d863e22f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:13.537893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053474/publication.txt
observed b5dee22676682927cdf612d32d442e22...
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.