OpenTechnical

OT-2026-000056523

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000056523) never changes.

Identity and time

Publication numberOT-2026-000056523 · never reused
Internal UUID01a0ae87-7af5-70ad-b4b3-7a5a2eac4c2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056523
StatusPUBLIC

Content hashes

Canonical textdb7a72fcad035a203a1173af7b87c07dfcca2b1230243c95dd121c7eada13900
Markdownd18ea065410535b1f813d29548122075a47eb266e97ea884cca057d88500a609
PDF
Publication page07d36a6af5f3c6802224d84c6a498a1e9a93879edc6f19b4cc2d3e8cc55c366a
Manifest417ca3879d03e46c7dfcc12e5bc9098635ff78367d9d6f97005e2fb18a3ee6ce

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
SignaturePMTZ2wUEaaNA5BHwF8r8kNXykw09QMttua7sRx0sBCC09PR+HJ4qq4YnCLduANoUFI79Jp8ixWzB6tG0e4sjBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:50.908665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056523
observed 07d36a6af5f3c6802224d84c6a498a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.891564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056523/manifest.json
observed 417ca3879d03e46c7dfcc12e5bc90986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.873596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056523/publication.md
observed d18ea065410535b1f813d29548122075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:50.855447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056523/publication.txt
observed db7a72fcad035a203a1173af7b87c07d...
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.