OpenTechnical

OT-2026-000075153

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075153) never changes.

Identity and time

Publication numberOT-2026-000075153 · never reused
Internal UUID01a0ae93-f1ff-7013-894f-15493593ea8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075153
StatusPUBLIC

Content hashes

Canonical texta1c89059503e890bcc5d8e12d0dcc35c9491dde62a26bfd680a225fa7e0aa110
Markdown0b4c65d4deb36e1017a250b7ecc3ec1409dbf129aedf1af03b37cb4da6da5393
PDF
Publication page4ff345404f078b37c85ea99f52c37ebb9c561af779496d40d59353372ca2db98
Manifestd2537d81f3744be16bf8ea2560f9d3e4b53ca21423fb0e014a9353476dc5c78b

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
Signature0bPSuhhqM/3AR43rHFxxIZgwwsaubthBN61GwVGap/tgL0VwlKCD80UMYhcwtFAcM7t4H5OtIghwVJ94gJS8Cw==
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

2026-09-17T10:20:23.453369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153
observed 4ff345404f078b37c85ea99f52c37ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.426954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/manifest.json
observed d2537d81f3744be16bf8ea2560f9d3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.409667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/publication.md
observed 0b4c65d4deb36e1017a250b7ecc3ec14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.382339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/publication.txt
observed a1c89059503e890bcc5d8e12d0dcc35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.564738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153
observed 4ff345404f078b37c85ea99f52c37ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.546013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/manifest.json
observed d2537d81f3744be16bf8ea2560f9d3e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.524855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/publication.md
observed 0b4c65d4deb36e1017a250b7ecc3ec14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:28.502143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075153/publication.txt
observed a1c89059503e890bcc5d8e12d0dcc35c...
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.