OpenTechnical

OT-2026-000070899

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070899) never changes.

Identity and time

Publication numberOT-2026-000070899 · never reused
Internal UUID01a0ae91-8c2d-7069-a40b-eef340b8e4a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070899
StatusPUBLIC

Content hashes

Canonical textb846f851a72320d4753e22284469c6f98ac9cfdabdcc84b64fa2b328a087e511
Markdown4ea1db6369e716c5adac67903895693463db0185616f9736e2c592256d5f2a39
PDF
Publication page4a9775572460e513d8559628c2c1c9f98fcc746b99e58e9bf7fb38a798c92017
Manifest975c07abda9911a26459536f81cca2e057e1631ebac299b4d595af13ac50d4ef

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
Signature3N17vJXtZoWEj0TCPZuHzsXPxs+N+nnRvLUya2BjXzvw7dnUh1p6ZwQcpupTjGq+TEh9dO3oufd4U1BerBDuAw==
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

2026-09-17T10:25:43.640552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070899
observed 4a9775572460e513d8559628c2c1c9f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.621752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070899/manifest.json
observed 975c07abda9911a26459536f81cca2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.605522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070899/publication.md
observed 4ea1db6369e716c5adac679038956934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:43.588270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070899/publication.txt
observed b846f851a72320d4753e22284469c6f9...
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.