OpenTechnical

OT-2026-000078905

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two 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-2026-000078905) never changes.

Identity and time

Publication numberOT-2026-000078905 · never reused
Internal UUID01a0ae95-ccbd-71f9-9be9-fb6fffb3cdf5 · 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-2026-000078905
StatusPUBLIC

Content hashes

Canonical textdcdc5cc5c0ddad50f776eeda018a1258d89723153b1070c204f7039e4552a080
Markdown1efc1fd4320c4b7066b7e3dd1bbf5c7384d5092dea43f298568c83c917406eab
PDF
Publication page7a9c4a848acc207206c41107ad86515601030ce948bed961681179cca2f2165e
Manifest3dc746c3395369d3c1e0d24839a1b9a25213c148c56b6c149f7d5756fd9c8a8d

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
SignaturezBii4tEFfg9Uh1nGtuDuUVDGfpLpiZJEagpZW4PKl46PQ3yS9KcyO6yecnrUaR2UCouejON5j6Grk2B7VICLBA==
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

2026-09-17T10:05:43.086777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078905
observed 7a9c4a848acc207206c41107ad865156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.068426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078905/manifest.json
observed 3dc746c3395369d3c1e0d24839a1b9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.048816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078905/publication.md
observed 1efc1fd4320c4b7066b7e3dd1bbf5c73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:43.031156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078905/publication.txt
observed dcdc5cc5c0ddad50f776eeda018a1258...
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.