OpenTechnical

OT-2026-000050320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000050320) never changes.

Identity and time

Publication numberOT-2026-000050320 · never reused
Internal UUID01a0ae82-5c47-7f26-82f0-8efe97cf7032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050320
StatusPUBLIC

Content hashes

Canonical textd44194f30b174fc1d47d92677a25be59d07042eb92e9d59a97458574ec272a53
Markdownc872ee82695f04213ac78f98045f2b2f2194d4fade43d0d73b15ee36351703ed
PDF
Publication page671149aafceb7b5e8faaea53f2ea997f0cc2993eaa86ebacee8a9f9efe0f0593
Manifestb07503dbc3e36f07f169990e8bc6d0b81cd330aab50893110cd8d86fe7f5d2fe

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
SignatureihK+bS9w7sRgQhDC5YGYmHiVkV7gF7jG+TfTZMTAng17U74WnuSWIcuakFxnN9o4UBPqI/aghCVON8jI4e7hCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:20.644972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050320
observed 671149aafceb7b5e8faaea53f2ea997f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.626523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050320/manifest.json
observed b07503dbc3e36f07f169990e8bc6d0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.607534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050320/publication.md
observed c872ee82695f04213ac78f98045f2b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:20.583025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050320/publication.txt
observed d44194f30b174fc1d47d92677a25be59...
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.