OpenTechnical

OT-2026-000060837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000060837) never changes.

Identity and time

Publication numberOT-2026-000060837 · never reused
Internal UUID01a0ae8a-b7d1-7c80-917c-c30abc0abe22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060837
StatusPUBLIC

Content hashes

Canonical textb1b0e55a01aada065f689da1a5937b4379b7f84997b6b6db01aec5a9d9df505d
Markdowna71f16ec40f3a056ca227d2356e5f045085a4ad79fd9a8b3d0e78a933c4400bc
PDF
Publication page572c31aee180eb870e7603ae2f5f4bd2173f15eb87ff146b19602d212544038e
Manifestf3b905b3fbc3d7f1b46b434a82b217b18c6d731ec8f2c14401b6374ce8c082fa

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
SignaturejrS+PnqQPXpkDUD11uVtOAPmQt3VU4MTFdRPsQoNe+cpjuNiLbjIU5xzyRr99p6qJ+gC9t3+iKjuY+hczaYFCQ==
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

2026-09-17T10:43:35.502687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060837
observed 572c31aee180eb870e7603ae2f5f4bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.486044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060837/manifest.json
observed f3b905b3fbc3d7f1b46b434a82b217b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.467378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060837/publication.md
observed a71f16ec40f3a056ca227d2356e5f045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:35.450532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060837/publication.txt
observed b1b0e55a01aada065f689da1a5937b43...
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.