OpenTechnical

OT-2026-000008875

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000008875) never changes.

Identity and time

Publication numberOT-2026-000008875 · never reused
Internal UUID01a0ae6b-31b7-7afa-8246-763a795dd82c · 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-2026-000008875
StatusPUBLIC

Content hashes

Canonical texte3a61d00b4a2b8635b62b5f3b7d9bd753d264eb70c17264c9857c367c06886e0
Markdown449d8dc6bfa6404ca2dc6bc95d7f6714853c17d87404c30108d97f2609a9a855
PDF
Publication page66ba496c876be5ee18b465b5aaf1e69259c50af8de9e6730be6ad39892cbe1d2
Manifest33ee12760606c538a8377d50e2366cf693cbbe2701eb66ac90065ff14e2d212d

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
SignaturexgVLtBDJQ2Q6pf9CdpVEkiNuiSitwNS4cwV6wT3n35pxv8OGtbae4iLNNsA2gFPRAPC5koPFkSr29gEjd3oSDQ==
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

2026-09-17T12:17:28.148445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008875
observed 66ba496c876be5ee18b465b5aaf1e692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.128818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008875/manifest.json
observed 33ee12760606c538a8377d50e2366cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.110619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008875/publication.md
observed 449d8dc6bfa6404ca2dc6bc95d7f6714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:28.090294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008875/publication.txt
observed e3a61d00b4a2b8635b62b5f3b7d9bd75...
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.