OpenTechnical

OT-2026-000061591

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000061591) never changes.

Identity and time

Publication numberOT-2026-000061591 · never reused
Internal UUID01a0ae8b-7b45-7251-860d-13f60ad14b9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061591
StatusPUBLIC

Content hashes

Canonical texte60977020816dab578bf3288ba8b755cf1e4c9ff32834f120ce185b75288aefa
Markdown81044d6252931a4f4bda18a9278b946f5861212714c4a874aec5d89e21d5bafa
PDF
Publication pageb40ffde9da3fc978fd796cb09017d95891ba6fc6b3bf54eee693fc6ed8d999b2
Manifestb3a77c0f798acc7baaa280a48ac32e2ddf1d314165ded6c0a5a34142b4cd807c

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
Signatureh7a4Ax9+NaI88GzqxSS6MAbfWXyF+Sf5A+iSeREj/1qC0TyJl34jrSXhf23vbxOcSAsD4NS9tzsCQMV1WqJWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:30.871829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061591
observed b40ffde9da3fc978fd796cb09017d958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.851728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061591/manifest.json
observed b3a77c0f798acc7baaa280a48ac32e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.832586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061591/publication.md
observed 81044d6252931a4f4bda18a9278b946f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.814059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061591/publication.txt
observed e60977020816dab578bf3288ba8b755c...
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.