OpenTechnical

OT-2026-000023211

Publication integrity record

Foam pad 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-2026-000023211) never changes.

Identity and time

Publication numberOT-2026-000023211 · never reused
Internal UUID01a0ae70-7267-7630-a6e0-6f6d4c15ba30 · 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-2026-000023211
StatusPUBLIC

Content hashes

Canonical text477251d0e99cf7ceef807cfcef82a8a17ed9151880ccf8d0a85ae26d139e725b
Markdown939ce90c253cbc5b162758555c0e287ffe132000a91d2dc8372e18f0a558ef6b
PDF
Publication page164049e6108a3dbd9a5c3f4b1f38f857d2aa84d96f95d390a7bdcfd51006f611
Manifest6f647e4dfc0032f0604bd2185cab24283ff999bda2c8dd7bba7399a12a1a9e4e

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
Signaturexa/DTRNfdGvBRelHSMwcKYpSx6q3FSy/gfP54Pv+wj9uKagpEbzidLF6ykMXuWw6/XyRI0eKJHxk62Jo3VH9CQ==
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

2026-09-17T11:51:10.133513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023211
observed 164049e6108a3dbd9a5c3f4b1f38f857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.115319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023211/manifest.json
observed 6f647e4dfc0032f0604bd2185cab2428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.099236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023211/publication.md
observed 939ce90c253cbc5b162758555c0e287f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:10.079067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023211/publication.txt
observed 477251d0e99cf7ceef807cfcef82a8a1...
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.