OpenTechnical

OT-2026-000063106

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000063106) never changes.

Identity and time

Publication numberOT-2026-000063106 · never reused
Internal UUID01a0ae8c-94aa-72cf-8e90-d4c1a7012c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063106
StatusPUBLIC

Content hashes

Canonical text23ec137ed2b2b33f0ce22b76e0cd95f4efc18e20899991803d07dd654988f9fc
Markdown806ed5e53e9e459dac0e507309fd111ae52c1787b8baa9a52cd8fbab80cf4a44
PDF
Publication pagebe4af51a1635a683258cfa61ec8ec43163f70074afd805229d0bb1390515fb7b
Manifest5c215a50d5dcf002d4af8b6b269bdd4bb7a3672fce63c49752b950218cd2a609

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/7fdzVtego1VspipKPgMagxQpE/xavW9ws57npYC7tSlazES5CMLE48yKtdKpYeu7bN/49KIhKViRtXNlBbHDg==
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

2026-09-17T10:38:52.909584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063106
observed be4af51a1635a683258cfa61ec8ec431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.893230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063106/manifest.json
observed 5c215a50d5dcf002d4af8b6b269bdd4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.876471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063106/publication.md
observed 806ed5e53e9e459dac0e507309fd111a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.859516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063106/publication.txt
observed 23ec137ed2b2b33f0ce22b76e0cd95f4...
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.