OpenTechnical

OT-2026-000074956

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074956) never changes.

Identity and time

Publication numberOT-2026-000074956 · never reused
Internal UUID01a0ae93-ac2d-710f-b277-fa171a189864 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074956
StatusPUBLIC

Content hashes

Canonical textd64292f86feaa5603dd5ca9cec160b65d6fa72e72bae958957fa5b3e72c0dbcf
Markdown86df726a2db5020974d01ee1df97e2173e24e872d47b88c29d4f268e909c41cd
PDF
Publication page4b27fd8880921ee2a0bc76b865196d75037bb0ea0b1a7b69f40f0e933af1ed15
Manifest3eddaa75bddf48d032c023b71ae4b3a9003da5f05b9dadeed37fd97fd40ad6e6

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
SignatureBmkgWfdPtrXKc2at9z3WKkjGuMSuPB5hBjh9d8gm81S5KoPdycfFG7BrbPqoPm6CYo3gtp6O7FNas0p37jEyCg==
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

2026-09-17T10:18:45.274218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074956
observed 4b27fd8880921ee2a0bc76b865196d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.256249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074956/manifest.json
observed 3eddaa75bddf48d032c023b71ae4b3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.237959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074956/publication.md
observed 86df726a2db5020974d01ee1df97e217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:45.220058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074956/publication.txt
observed d64292f86feaa5603dd5ca9cec160b65...
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.