OpenTechnical

OT-2026-000078929

Publication integrity record

Two bellows cup 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-2026-000078929) never changes.

Identity and time

Publication numberOT-2026-000078929 · never reused
Internal UUID01a0ae95-ccbe-7f0a-976a-fa43e39b6ce0 · 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-2026-000078929
StatusPUBLIC

Content hashes

Canonical text31e9e134f55cc57edd2f8206c3a233eefb182bc926e4b1a9255ace583d9edb67
Markdown61d5f04f1351e1ee625d3647c6c598a055c232610bde2d74eea113f53b7892c3
PDF
Publication page92f218b0971df75a8a405f9cb5c8dfcd251f39cd99353a12a714559020fe0ae2
Manifeste925c58f9ecc40363c7c8eca442faf64a09b75fcfbbb083ccf6a9c8800ee1f02

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
SignatureM/uRXUpaQ/CBZbZfhMcFu+qomR16upnAEVx+mvXkfHx3jmTbUKHwuq9lJbil154nA+nkmrD8cPIIOrjeW6xGDA==
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

2026-10-03T12:41:21.720263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929
observed 92f218b0971df75a8a405f9cb5c8dfcd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:21.665313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/manifest.json
observed e925c58f9ecc40363c7c8eca442faf64...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:21.617265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/publication.md
observed 61d5f04f1351e1ee625d3647c6c598a0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T12:41:21.538997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/publication.txt
observed 31e9e134f55cc57edd2f8206c3a233ee...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.134170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929
observed 92f218b0971df75a8a405f9cb5c8dfcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.115511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/manifest.json
observed e925c58f9ecc40363c7c8eca442faf64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.096724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/publication.md
observed 61d5f04f1351e1ee625d3647c6c598a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.078737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078929/publication.txt
observed 31e9e134f55cc57edd2f8206c3a233ee...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent