OpenTechnical

OT-2026-000016251

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000016251) never changes.

Identity and time

Publication numberOT-2026-000016251 · never reused
Internal UUID01a0ae6e-2d11-7c06-812b-2a124807aa17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016251
StatusPUBLIC

Content hashes

Canonical texte34825749a4edafc0c967f36e306104bb585fbd770a523f600cc029914850ef2
Markdownaa652c90cebeec08eb3b8ef13934b690c45b13ae32a69518b08c3de539de05ff
PDF
Publication page298b2044da6d4adbca22cef1093d24abe0caec779f31734214795dd51e515377
Manifest7bd3fbdf0b44b7591b77828092efd56384bcad2c14386b6c410939ecc9932a7d

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
SignatureNSdIYfhQnwRM+upmzXjHz4LUcG8arVnSckCetgdOrxj4Yr6kltAjlVyyGhGkfOb2YEYdZJbS84+QOp/VU68eBg==
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

2026-09-17T12:03:43.476371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016251
observed 298b2044da6d4adbca22cef1093d24ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.456692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016251/manifest.json
observed 7bd3fbdf0b44b7591b77828092efd563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.437863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016251/publication.md
observed aa652c90cebeec08eb3b8ef13934b690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.419471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016251/publication.txt
observed e34825749a4edafc0c967f36e306104b...
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.