OpenTechnical

OT-2026-000079016

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented after set-down

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-2026-000079016) never changes.

Identity and time

Publication numberOT-2026-000079016 · never reused
Internal UUID01a0ae95-ccbe-7c04-b5d5-337ef457b77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079016
StatusPUBLIC

Content hashes

Canonical text99f88485027c4da790450b2ff5ef6a3ea4e1335ef86fcee47af15466f6b76651
Markdowne01c9487d0b7a9dc91c9a1205db5ff02c731f49ff0c6186f46dc65dc93eb9ae4
PDF
Publication pagee7bb1b3806309ad0129aca235668c21a6241a266ffe1b8c89e74c7f75c75265c
Manifestbea42705e619fd91fc197c98bea9f4297e3f11546bbb86c59056e970621bef65

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
SignaturePtGhx8T0J8tXQajQkWMTwEJZEcE/HJ3LZIB2VUEBT9Kwf+siAahpesJtqwYtskrDiOCsjSdO835B4XBk+KKnCQ==
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

2026-09-17T10:05:23.915253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079016
observed e7bb1b3806309ad0129aca235668c21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.890075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079016/manifest.json
observed bea42705e619fd91fc197c98bea9f429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.872735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079016/publication.md
observed e01c9487d0b7a9dc91c9a1205db5ff02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.848629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079016/publication.txt
observed 99f88485027c4da790450b2ff5ef6a3e...
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.