OpenTechnical

OT-2026-000023195

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000023195) never changes.

Identity and time

Publication numberOT-2026-000023195 · never reused
Internal UUID01a0ae70-7267-76a4-9715-161de696dc6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023195
StatusPUBLIC

Content hashes

Canonical texte70cb902f7f730c23750a36d16ffea492bea274fe5e0efa4ec8ef4f994d27009
Markdownb413784e2a4fc210408b8c53f9a5d24f52caff2c058fe293f27a28bdef774449
PDF
Publication page3aacec8bc69cc0b5aebbdb9687a8ee6b95a4e3aa9ce701594918bad6df871c4b
Manifest1059d2f21b9871c7f89984d68a4b785a8c956412d298c9007c99db06d7f3d532

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
Signaturee40q/WxETsE6XEmghVr+cKLu61KYx+VlTpsgD50p4wm4jHLmZDAER9PuZ7PdO6x0yfvjGlB+gT7G7oljy416BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:51:08.885499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023195
observed 3aacec8bc69cc0b5aebbdb9687a8ee6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.868447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023195/manifest.json
observed 1059d2f21b9871c7f89984d68a4b785a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.850820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023195/publication.md
observed b413784e2a4fc210408b8c53f9a5d24f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:08.831870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023195/publication.txt
observed e70cb902f7f730c23750a36d16ffea49...
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.