OpenTechnical

OT-2026-000085817

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, sustained 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-2026-000085817) never changes.

Identity and time

Publication numberOT-2026-000085817 · never reused
Internal UUID01a0ae99-e829-7e77-a0f9-d77d64764ac8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085817
StatusPUBLIC

Content hashes

Canonical text44b3069f2572cb60bf9f4e25a6fa66b73d2af4697f4fcdcc6a72cb5a093c9fc0
Markdown4e542b455651ca1c41d29dd34e10abe1d84372fa49ceb2d6afb21d1af0b6bbda
PDF
Publication pagec33284c38ffd2625eeec06859f0f3c34af895ca9efd1ae9ec85b457b5e0c3ed4
Manifest670ed86dd300922460f484377e14747912140006856cdfd38229edb1fcc8c76b

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
SignatureeVV4JqooIVf52+/13a2/sIyJQhAn350VZCYHbsgxa5Y9zS9y7aILucgTe2J1kiN4v4a04B8p4SW8u3eL/57OBg==
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

2026-09-17T09:52:44.264686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085817
observed c33284c38ffd2625eeec06859f0f3c34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.247811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085817/manifest.json
observed 670ed86dd300922460f484377e147479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.229701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085817/publication.md
observed 4e542b455651ca1c41d29dd34e10abe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:44.212129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085817/publication.txt
observed 44b3069f2572cb60bf9f4e25a6fa66b7...
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.