OpenTechnical

OT-2026-000050987

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000050987) never changes.

Identity and time

Publication numberOT-2026-000050987 · never reused
Internal UUID01a0ae82-c7b4-75ac-b920-41b267c7e326 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050987
StatusPUBLIC

Content hashes

Canonical text5e6a0023df22cdf239116e5149567ca5fa2003b3274655dc0047d58a284373d4
Markdown4a52961124ac767a2f415ec128c9a1c40f0f1209c76b4077904ee51e328ee0d8
PDF
Publication page33914df79aac82d202fa5f591b752659bd828a01c16de8c35968be3f8e506d9e
Manifest4b5ebc4b6930c49666f65c297cf1fd722552f97394bcf383cd4f2500c0bbc609

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
SignaturejDv0GufHj/10Hh4S1f04iXj0GRq0N5J2VvWt848+bGmAa6WgqugKMMjW+/UuzhW/kenSj7U5RU4ncBx6obZqCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:52.875123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987
observed 33914df79aac82d202fa5f591b752659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.854853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/manifest.json
observed 4b5ebc4b6930c49666f65c297cf1fd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.832972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/publication.md
observed 4a52961124ac767a2f415ec128c9a1c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.812084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/publication.txt
observed 5e6a0023df22cdf239116e5149567ca5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.808141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987
observed 33914df79aac82d202fa5f591b752659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.788488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/manifest.json
observed 4b5ebc4b6930c49666f65c297cf1fd72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.770601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/publication.md
observed 4a52961124ac767a2f415ec128c9a1c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.748108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050987/publication.txt
observed 5e6a0023df22cdf239116e5149567ca5...
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.