OpenTechnical

OT-2026-000060754

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum 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-2026-000060754) never changes.

Identity and time

Publication numberOT-2026-000060754 · never reused
Internal UUID01a0ae8a-b7ce-7294-83f0-845a1c3a46b8 · 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-2026-000060754
StatusPUBLIC

Content hashes

Canonical text9870cdc449d7da7175dcf4dbf2b9818368cfa1b817ee6007b1e928bd438be40d
Markdown1971f70095780d893406553bfc0222b979d0d760062414d06b0013e08e8dbea3
PDF
Publication page13169631b00edc76b7583a6aab865581629b0cae283e65375ec8a5f287a75237
Manifest0f15d66f6a6b604822f787d6b36b099c9cc5a6df122e8e99fc466b1a0607fdf0

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
Signature+W7gNlcZiQNAhMhrHmMaCRk12bXfnFUd7VReqMRpX8b8xQRk/enfjxy3O2gSCorMHxI75+0R4yaa8c++q6YIDQ==
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

2026-09-17T10:43:29.472920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060754
observed 13169631b00edc76b7583a6aab865581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.456482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060754/manifest.json
observed 0f15d66f6a6b604822f787d6b36b099c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.440529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060754/publication.md
observed 1971f70095780d893406553bfc0222b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:29.424800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060754/publication.txt
observed 9870cdc449d7da7175dcf4dbf2b98183...
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.