OpenTechnical

OT-2026-000104446

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000104446) never changes.

Identity and time

Publication numberOT-2026-000104446 · never reused
Internal UUID01a0aea5-3421-742d-b80c-d5ab8abcbe91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104446
StatusPUBLIC

Content hashes

Canonical text514245eba7b125c7266c570913bedd5b3b9907cc1f7419fb625d4554386fce83
Markdownfda994f089260b2b2eb851e3f0f8ae1cf4cdb61c47bc51be5f9060d8386ff782
PDF
Publication page4dfc50da4e10d4265b5149059aa2005e4948915c7a518fb81997cb1fed9bd0f5
Manifest681a57dd85dbefa284be80e01a134151dceb6340b4eeb45c9d795487432047ed

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
SignatureOI+YB8dlgq1zseKcl9wnqDZTQV6gdkiK9AFJR35aTvoEuptvKi+cIcW+uuOw2uq8MXEdU3s3wl3y863n2uKeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:43.491962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104446
observed 4dfc50da4e10d4265b5149059aa2005e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.475758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104446/manifest.json
observed 681a57dd85dbefa284be80e01a134151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.456469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104446/publication.md
observed fda994f089260b2b2eb851e3f0f8ae1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.437884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104446/publication.txt
observed 514245eba7b125c7266c570913bedd5b...
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.