OpenTechnical

OT-2026-000057913

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000057913) never changes.

Identity and time

Publication numberOT-2026-000057913 · never reused
Internal UUID01a0ae88-6ed9-7183-befd-4f91d0d7c118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057913
StatusPUBLIC

Content hashes

Canonical textf19bc406420fc8d35b8d5e0ed7e2812f60477b0c10b8aab5f40607dc16013fc2
Markdown77995b3f1f10b87443528ab2b2acd22125be35c0ec3c85340f29c089eb3a09d8
PDF
Publication page9f3454f6bc04679ff33cf2235f4dfc6d7e2c45fc937dd49630fb87bc2bbb078a
Manifest3e0117661b6e30f7b3f8d3b8dc15c7a2c2b1f1ea16bbff1784b131810dc54d0f

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
Signatureu6jIHkNzDVWuKCWtHvN/mQv2UAM/ASCKzhJQiCKmuy+okqhRLwkEttsdJftxMm6BcTuhG0kGeGqgnR5nnQZPDA==
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

2026-09-17T10:47:31.297421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057913
observed 9f3454f6bc04679ff33cf2235f4dfc6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.278324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057913/manifest.json
observed 3e0117661b6e30f7b3f8d3b8dc15c7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.257469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057913/publication.md
observed 77995b3f1f10b87443528ab2b2acd221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.238446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057913/publication.txt
observed f19bc406420fc8d35b8d5e0ed7e2812f...
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.