OpenTechnical

OT-2026-000073117

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073117) never changes.

Identity and time

Publication numberOT-2026-000073117 · never reused
Internal UUID01a0ae92-efb5-7aa1-8893-2471f81c3026 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073117
StatusPUBLIC

Content hashes

Canonical textf22b5bec2674fba265274d185d81df3ea5972c77b38f1344d7a9ffd3c88065e1
Markdownb8a8ec52bc9b7840043d34fa486268d627c8d82c55415b3ad22fbf9252fc0861
PDF
Publication page055005ef5d960741f478e2a69a3c6de0c986aa9a4eb5971a6b2030957cb4cb09
Manifest933636b16848e0583d84fc7441c51907ceca09f74e1b757716be15e83d8c65c0

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
SignatureOaYL6/OjLf3fe/fHa3k/BEukVJc57Qt/EO/AxgHVgvovGM5IyNPZ9C/x0aA2Oolj2NyOXGBNXqX88dy3QmKrAw==
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

2026-09-17T10:21:02.788678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073117
observed 055005ef5d960741f478e2a69a3c6de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.770864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073117/manifest.json
observed 933636b16848e0583d84fc7441c51907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.751363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073117/publication.md
observed b8a8ec52bc9b7840043d34fa486268d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:02.731765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073117/publication.txt
observed f22b5bec2674fba265274d185d81df3e...
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.