OpenTechnical

OT-2026-000032238

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000032238) never changes.

Identity and time

Publication numberOT-2026-000032238 · never reused
Internal UUID01a0ae74-f7a7-7bff-96f2-519823e43225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032238
StatusPUBLIC

Content hashes

Canonical text9aa31ebc756e6a26fa5c353b5665e5d9985608221d81009a0018518792e0b577
Markdownf8961de665d35d3ffd171856180ba93a58e6f31370d23343eb47245be5c80f36
PDF
Publication page00dd767ec2fe299f05353a06d301e616beecfab97473f16c3dd827b3e6cf4a05
Manifestb3bc06fa9300a8c67f476e69e0f64a9ac3659a36987285463c359ee6d5bf3003

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
Signature9JS7ZghlsmcHlwFJsAb9QtqBrxNN0m8fhdJFv//wOkyjWvEoucgIn+G7EvJ3FmwOC7dgNuwnURXcMJjuSd8QAg==
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

2026-09-17T11:34:35.547455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032238
observed 00dd767ec2fe299f05353a06d301e616...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.528560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032238/manifest.json
observed b3bc06fa9300a8c67f476e69e0f64a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.509559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032238/publication.md
observed f8961de665d35d3ffd171856180ba93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.491651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032238/publication.txt
observed 9aa31ebc756e6a26fa5c353b5665e5d9...
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.