OpenTechnical

OT-2026-000056510

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000056510) never changes.

Identity and time

Publication numberOT-2026-000056510 · never reused
Internal UUID01a0ae87-7af5-72d7-a1c1-3feb135787c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056510
StatusPUBLIC

Content hashes

Canonical textdb1402c4cdbe55fa30563b5ec1aa8ea081f6d23f235ecf2b9c538638f6e9d25b
Markdownaf6fc4c795c9683134fa53c9ba880609dcc214a2c0922041f51c5523d6b7f4cd
PDF
Publication page6baadbfb9a4b947ed31e79ef6c5653cafeda14cac2f257b0cdf0c66bd14fa97d
Manifest7570a061f6aaa8551fc5ec4405f341e91dd371221f11e59475a3a961c79e51b3

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
Signature6srnBbJqixWxP66hin/p1GzxMNxG96kT9wH5TsiRtR0e3zhODp/eoAvzE13jF1N9RKrRQ/hZYeKQ7FnZanhoDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:42:44.118022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510
observed 6baadbfb9a4b947ed31e79ef6c5653ca...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:43.732239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/manifest.json
observed 7570a061f6aaa8551fc5ec4405f341e9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:43.408992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/publication.md
observed af6fc4c795c9683134fa53c9ba880609...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:43.082295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/publication.txt
observed db1402c4cdbe55fa30563b5ec1aa8ea0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.945600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510
observed 6baadbfb9a4b947ed31e79ef6c5653ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.926216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/manifest.json
observed 7570a061f6aaa8551fc5ec4405f341e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.907839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/publication.md
observed af6fc4c795c9683134fa53c9ba880609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:49.889024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056510/publication.txt
observed db1402c4cdbe55fa30563b5ec1aa8ea0...
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.