OpenTechnical

OT-2026-000088536

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088536) never changes.

Identity and time

Publication numberOT-2026-000088536 · never reused
Internal UUID01a0ae9b-8f0e-7a5f-8093-78254c49253f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088536
StatusPUBLIC

Content hashes

Canonical text6f814d358bbfe13f9d7848f5bc2b2e722ec412ea82d11a5b6985a522af94f1a1
Markdown3942cd74d988935045dc63e81b77583fabb702d743b4a8a7f3ea7ce5b10c4e32
PDF
Publication page33ca363f2eaf488d5cbe153c958d66f6be45737f91fe31e4f0a282495ffea866
Manifestb79e36aef89e496f92726476aacffc04e06f484bb086b857febdac3a960883f9

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
SignatureKYWsLCkyG2elawHLYoT44GmGVj+Sf0bf4756ZNPWoVekBsPESKqpV6mPugAfWHTyKoA8PeqgDENQKrQXxqWiBQ==
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

2026-09-17T09:47:42.208443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088536
observed 33ca363f2eaf488d5cbe153c958d66f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.191163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088536/manifest.json
observed b79e36aef89e496f92726476aacffc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.172447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088536/publication.md
observed 3942cd74d988935045dc63e81b77583f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.154816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088536/publication.txt
observed 6f814d358bbfe13f9d7848f5bc2b2e72...
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.