OpenTechnical

OT-2026-000069342

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069342) never changes.

Identity and time

Publication numberOT-2026-000069342 · never reused
Internal UUID01a0ae90-b529-745e-b0d9-c9f945b6c76f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069342
StatusPUBLIC

Content hashes

Canonical text1ce735a1039af3b7d55bb4967ef6dfcfc862df4ca21b277a24d33c788ecb23da
Markdownb957b63ab7d24cdefe30c523ffa2de5ed109807d012a281fc643fce7c48728b9
PDF
Publication page2fb15aa60260618257c68ecf894e05da5d21687750ca9bae1c2748f0800332fa
Manifest7ad482f35519ccd2898cb9602baec1cd2751f77c1983bd567781ddcd4e91ce6f

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
SignatureNIiws4jzUpjlp1+RempocDB5x3Gnd0lrDQSbZdOaJVCtss0CnmKpTVFASzqQ09tk73FH8FER9U0nZRPgy4kACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:14.154661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342
observed 2fb15aa60260618257c68ecf894e05da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.136449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/manifest.json
observed 7ad482f35519ccd2898cb9602baec1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.112938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/publication.md
observed b957b63ab7d24cdefe30c523ffa2de5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.094326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/publication.txt
observed 1ce735a1039af3b7d55bb4967ef6dfcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.598212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342
observed 2fb15aa60260618257c68ecf894e05da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.579729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/manifest.json
observed 7ad482f35519ccd2898cb9602baec1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.560924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/publication.md
observed b957b63ab7d24cdefe30c523ffa2de5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.541775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069342/publication.txt
observed 1ce735a1039af3b7d55bb4967ef6dfcf...
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.