OpenTechnical

OT-2026-000085653

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000085653) never changes.

Identity and time

Publication numberOT-2026-000085653 · never reused
Internal UUID01a0ae99-aaad-732f-bb7b-03d793c02fe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085653
StatusPUBLIC

Content hashes

Canonical text9e345981b1764060f587551f5297e2f85a706f5727714107435809eb7b4e3665
Markdown0f8b02d18352337a4af7450ea971aec868914883e7e9a36fb23be125ad13b709
PDF
Publication pagea7dd2cc5fe71208a9ae8389597459abdef1ff00f766866e5334ac9f6bd6db1dc
Manifest10f224a37e7e8384debfbdcdb5385f86e8ad35fb19234cd7735dc9b6bae99c13

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
SignatureQnp0ooy8iJeNtlOKWMnFNqbWJKtc/RWtt8IMKNNX9q2VLldpV9kmo1bhD4Ge1fwyU23iffDyrEI9ssauxA98AQ==
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

2026-09-17T09:54:32.593796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085653
observed a7dd2cc5fe71208a9ae8389597459abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.569749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085653/manifest.json
observed 10f224a37e7e8384debfbdcdb5385f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.550758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085653/publication.md
observed 0f8b02d18352337a4af7450ea971aec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.513623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085653/publication.txt
observed 9e345981b1764060f587551f5297e2f8...
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.