OpenTechnical

OT-2026-000008821

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000008821) never changes.

Identity and time

Publication numberOT-2026-000008821 · never reused
Internal UUID01a0ae6b-31b6-74b6-8dc1-69869eb188d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008821
StatusPUBLIC

Content hashes

Canonical text8cb3a2baed44da52d9bca76354233fd92bef2e2e7169bcce53a0d2b36a364207
Markdown924fc9bb65bb043f47e792c44233453d383ca007a31d8bc8f1149c546babb0fa
PDF
Publication page02e905e87cb8b3d0b9a76e177854b1cedeeb32553484755453dc8b0f90213d2a
Manifest5ff18245b019d2d33ce24580994751d784552bcd0f0cc63adf5c31b904e2986e

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
SignatureAcC0bRGPzMnXEYZYdi3RUzPdMSCj6ODtd1n6FAJkILNghR2nZnaB4G6Su2Ol7J3Fx4PddhSQTBaofTrud0bbAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:22.854983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008821
observed 02e905e87cb8b3d0b9a76e177854b1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.834108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008821/manifest.json
observed 5ff18245b019d2d33ce24580994751d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.813971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008821/publication.md
observed 924fc9bb65bb043f47e792c44233453d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:22.792088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008821/publication.txt
observed 8cb3a2baed44da52d9bca76354233fd9...
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.