OpenTechnical

OT-2026-000078388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, vented 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-2026-000078388) never changes.

Identity and time

Publication numberOT-2026-000078388 · never reused
Internal UUID01a0ae95-7c28-7153-8a7f-d4080fa4b569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078388
StatusPUBLIC

Content hashes

Canonical text0162974522841bc7a2c9ad537df00bbcb3c2c08999825d136f6d68dce7958135
Markdown4c77f82beef2c214959d86b11788ac2ab5188286eb99a73aa1d31b8aa0d48b40
PDF
Publication page4cdad0a0756248a4e813f6628cdbd1f06d6446a4f8b304ba1fa01c91a104ec9c
Manifesta2609a2ed9eeecd668bbb9196c5d49060fb6e1a36b22e2cb7bb0fb07fb7b1170

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
SignaturexUOvrv3nPXGvdwHDlLLCNM4AzdVzZzG/5ZH1muuTelziHLrliwbA2pR3QRdz+QcnjB98id04JgqdyNKnb2ZEAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:21.679073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078388
observed 4cdad0a0756248a4e813f6628cdbd1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.660434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078388/manifest.json
observed a2609a2ed9eeecd668bbb9196c5d4906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.641924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078388/publication.md
observed 4c77f82beef2c214959d86b11788ac2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.623161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078388/publication.txt
observed 0162974522841bc7a2c9ad537df00bbc...
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.