OpenTechnical

OT-2026-000082140

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000082140) never changes.

Identity and time

Publication numberOT-2026-000082140 · never reused
Internal UUID01a0ae97-4d93-7fbd-9b46-6cd10a73f502 · 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-2026-000082140
StatusPUBLIC

Content hashes

Canonical text384ca7524d40256a92ec02d31f843b479622018cc6249e1a862fb3aa3b43a0a3
Markdown12291bd07c31e95d29945e9bce419a4cc1b3ccf93e2314a4b29653d1d5e1a3e0
PDF
Publication page28f159aea385e6d5a8eb638586383f09b9ad8c2de30d48fa0da9e590a543e4ee
Manifest309d8a25a8f052fbb3d658afedeed4fbe443d7d2fe17c269f4df3bff733a5b8b

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
Signature0ssg2HTY1bBfdzXdepXp5+p11hyg2Qmn3yB/ZL9d1Wm5QrpEx9Q0KMfqlbSdKm4+vHgiq1giHBxRdHSUh6bcCA==
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

2026-09-17T09:58:57.560498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082140
observed 28f159aea385e6d5a8eb638586383f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.541657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082140/manifest.json
observed 309d8a25a8f052fbb3d658afedeed4fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.494426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082140/publication.md
observed 12291bd07c31e95d29945e9bce419a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.447121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082140/publication.txt
observed 384ca7524d40256a92ec02d31f843b47...
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.