OpenTechnical

OT-2026-000078232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000078232) never changes.

Identity and time

Publication numberOT-2026-000078232 · never reused
Internal UUID01a0ae95-7c26-7a43-bf3b-8632ce36397b · 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-2026-000078232
StatusPUBLIC

Content hashes

Canonical texta966809f4becf5b0d2a76519c7ee510b5b6f412e817c04c774685eac4a96e9c3
Markdownabb5736317c0c782139390ee1a1373e7fd6ebefe93d5e999782907aeeeb13ddf
PDF
Publication page404c0345c8a1aeebdba1433bfe983e61362178a662385a69dfbfd90a4ae81ac9
Manifest5b9e011831507470cdfd7987deaae1d5c58a5083c11f73c3c55d9f303151c8c1

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
SignatureKTqxTX2UcrTLr/8F2fJHjWJeMf6NZUPV5AsIqS84ncfvDm6pmXHPRIINBYnCWXn/otSmapPZgmaq+7H4KreLCA==
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

2026-09-17T10:06:10.884474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078232
observed 404c0345c8a1aeebdba1433bfe983e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.866926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078232/manifest.json
observed 5b9e011831507470cdfd7987deaae1d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.850345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078232/publication.md
observed abb5736317c0c782139390ee1a1373e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:10.832405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078232/publication.txt
observed a966809f4becf5b0d2a76519c7ee510b...
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.