OpenTechnical

OT-2026-000078759

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000078759) never changes.

Identity and time

Publication numberOT-2026-000078759 · never reused
Internal UUID01a0ae95-ccbc-79c9-ada4-579afeed3ae7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078759
StatusPUBLIC

Content hashes

Canonical textea563bf86559c75494b9d7efeb345e1d5bd2ad1c5209c5d54b14c7ced8cf6631
Markdown4dec66560549f29de423f1f5a68ecf05dcd41ee1f2bf289a3f1f681a5bd3ebca
PDF
Publication page6886e74b1af296a8cf94aeead24bd89fa7a67114eb20cce386d3fc0d0dbd1111
Manifest866a47943f1f6ef05f939ad953d6267853dc28bedac0bb88acb519193de5186a

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
SignatureXo3tda3NSqzLisnelA93GzCNS+2kl3+k8buGA8HYfRN2t9rYRw7ircX6QMMxO4dKTZHTywdRHoD1p8lRxmonBA==
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

2026-09-17T10:05:32.809816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078759
observed 6886e74b1af296a8cf94aeead24bd89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.788969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078759/manifest.json
observed 866a47943f1f6ef05f939ad953d62678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.769181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078759/publication.md
observed 4dec66560549f29de423f1f5a68ecf05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:32.751498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078759/publication.txt
observed ea563bf86559c75494b9d7efeb345e1d...
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.