OpenTechnical

OT-2026-000082286

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000082286) never changes.

Identity and time

Publication numberOT-2026-000082286 · never reused
Internal UUID01a0ae97-4d94-74d5-9e51-02ae2a7ddb8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082286
StatusPUBLIC

Content hashes

Canonical textce34f7c479b981e685c2b5df742f1ac4d3148eac7bd47a2646a10e6e386802a4
Markdowne76f43792be98c9e10ae2fc3f0ee1ca7f7a9655c7139896dde6ffafdfbde0743
PDF
Publication page846d812db8a5bfb1e3a27c4a28346b4cef8fa366d58b4c691ffbf2c35d671e1d
Manifest4d29294e133e00b146c4d6ef7bf2afc8522f5a121afd598d43cbb188730b1c36

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
SignaturemxHWSdq40Tr6sVEXKe6wO9VCy2vJImSII0s92BLoExG0yAmHMQyWNzcZXUNlB/hz5MZibOFsqzd0pqC4HyyCAg==
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

2026-09-17T09:59:08.680381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082286
observed 846d812db8a5bfb1e3a27c4a28346b4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.663326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082286/manifest.json
observed 4d29294e133e00b146c4d6ef7bf2afc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.646802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082286/publication.md
observed e76f43792be98c9e10ae2fc3f0ee1ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:08.629486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082286/publication.txt
observed ce34f7c479b981e685c2b5df742f1ac4...
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.