OpenTechnical

OT-2026-000053400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053400) never changes.

Identity and time

Publication numberOT-2026-000053400 · never reused
Internal UUID01a0ae85-0a8f-71e9-8e9f-4c7e6f421120 · 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-2026-000053400
StatusPUBLIC

Content hashes

Canonical text68503ec99999d1976a6c8f8efeb8d3c098227635c4656c627e0c0b167f7479c1
Markdownb73f5c476a044b82785fdff533108a04e5452593e8e37be13f42fd166de690d0
PDF
Publication page427df916aaca8c69c76a84e779ac1fbd40b724d3a3021ed02693058230e80106
Manifest48b2fe22ebdc5a43cf5da9ffe9149836e6781c7e8c0f3cc19cd0d61c2107e69d

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
Signature/O1Joqgutu24NuzCqW1iV4R+KtDhAUKJrfz/R0Nke2XzS0iA68k+bPRq6bbkVwysIzp5qD25C3Z3BzBNuXD7Ag==
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

2026-09-17T10:55:07.609344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053400
observed 427df916aaca8c69c76a84e779ac1fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.589255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053400/manifest.json
observed 48b2fe22ebdc5a43cf5da9ffe9149836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.570568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053400/publication.md
observed b73f5c476a044b82785fdff533108a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.551166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053400/publication.txt
observed 68503ec99999d1976a6c8f8efeb8d3c0...
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.