OpenTechnical

OT-2026-000086996

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000086996) never changes.

Identity and time

Publication numberOT-2026-000086996 · never reused
Internal UUID01a0ae9a-9f2c-7db9-9a14-d19f5b814ecf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086996
StatusPUBLIC

Content hashes

Canonical textc7e3f0df587b59108d9b88e4d57b20691c02c8ad4260aaa2878a4ace3ff64048
Markdown7257572065095fc7737f3bc324406a93ca1f69cefa2a4fa234c6079469d3dcf4
PDF
Publication paged935132cab9f54aae5fcb033d5fad2974a9f26a7102c68a5cbd6a974f6ec4bdb
Manifest9aa3081d7c17b00b30f6a7ce5bfca416d859a93d89d562380a62744608a7cb22

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
Signature95bjiTjG89VkHIURGnp/RILnM1BM5V1opfnUWa2C3vTInkTfg2KlXangZfb91NqMzI1/VlCNUFJIZbzWDzPeBw==
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

2026-09-17T09:51:12.691122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086996
observed d935132cab9f54aae5fcb033d5fad297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.676571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086996/manifest.json
observed 9aa3081d7c17b00b30f6a7ce5bfca416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.660426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086996/publication.md
observed 7257572065095fc7737f3bc324406a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.529545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086996/publication.txt
observed c7e3f0df587b59108d9b88e4d57b2069...
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.