OpenTechnical

OT-2026-000066547

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000066547) never changes.

Identity and time

Publication numberOT-2026-000066547 · never reused
Internal UUID01a0ae8e-ce41-7945-93d5-ae63448e0bc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066547
StatusPUBLIC

Content hashes

Canonical texte020c70474a8a39a74c6220953fa2b3a4da3214c5f60fa872eb5dc1f56dfa040
Markdownbc1d8ecc493bd330e55b9d4204a8ce92344c5f8660e3848910aec88fe433b3e1
PDF
Publication page5bdcb567d361eb1bc8fb4ffcd1804c35131a7562102594ec7682e107b7f9c174
Manifest74a6113eae53a820b0f0a5a25a79a55973d0f8a207f58030ca222c11c3136bc4

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
SignatureIX6xxSuiVBEzqyuqCT7XTXpO747Eutf8hgyTN4UtPRZZeKDYLMOgHQnT8+At5JOnwFmAAdSQfq/5Cnj4NW9sAw==
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

2026-09-17T10:32:48.893425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066547
observed 5bdcb567d361eb1bc8fb4ffcd1804c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.877314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066547/manifest.json
observed 74a6113eae53a820b0f0a5a25a79a559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.859351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066547/publication.md
observed bc1d8ecc493bd330e55b9d4204a8ce92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.842656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066547/publication.txt
observed e020c70474a8a39a74c6220953fa2b3a...
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.