OpenTechnical

OT-2026-000084544

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained 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-2026-000084544) never changes.

Identity and time

Publication numberOT-2026-000084544 · never reused
Internal UUID01a0ae98-e25a-79e0-91d6-8028d707fa47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084544
StatusPUBLIC

Content hashes

Canonical textf071a0c86ae4fdd20ca7a82f753e2faff328853d68dd04941e9ed18ed053a931
Markdowne3c0ebcb415500d015e97be224f001c4ef18fe062995ffd413848e1b89abd07f
PDF
Publication pagebb8eeb4abb2be41d78a11159a4546ee88a5ee33d17e3c39ed19ad2c964815104
Manifest77d12096f598f0499cd45bc336bc7dbc215ffad3a7d03771f346eacaa232dd87

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
SignatureyT7CCigJK9C2YBDqfa/0wz8SyrQ7wPeV1fiotHnYYXojclJL1dEpyAtcr5PKlaaFJbWV7nfl7z+Y8rUMYIhPAg==
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

2026-09-17T09:55:25.905128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084544
observed bb8eeb4abb2be41d78a11159a4546ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.887351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084544/manifest.json
observed 77d12096f598f0499cd45bc336bc7dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.871004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084544/publication.md
observed e3c0ebcb415500d015e97be224f001c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.852699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084544/publication.txt
observed f071a0c86ae4fdd20ca7a82f753e2faf...
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.