OpenTechnical

OT-2026-000087146

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000087146) never changes.

Identity and time

Publication numberOT-2026-000087146 · never reused
Internal UUID01a0ae9a-9f2e-7078-bb67-7f85b70b532d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087146
StatusPUBLIC

Content hashes

Canonical text36e61cae670463f170ded8c846c36d9901ae601446e9d878aede59eaf24b4ef1
Markdownf2eb8ba1ae6f21943f9ae0d1dc8e835fff63bfeb6f2869697b02f9fd3ceb81c9
PDF
Publication page24a54cfb7fad300a93b19e8c699de5581a55732dda80159e46b90dc0d6c1193b
Manifest453e16675e1d96a342aaadd2099d48cbd062bebdffa79738052142c91d5e7d2b

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
Signature3iuTqAT5ljzlQrGmeX4uz/ZXkVW8HgK+KhVwpLzDDexRnDB1xL0UipQFPV6AeMUNgoOm2ZPuhdZO4SeYPU1wCA==
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

2026-09-17T09:51:24.670007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087146
observed 24a54cfb7fad300a93b19e8c699de558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.655670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087146/manifest.json
observed 453e16675e1d96a342aaadd2099d48cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.639144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087146/publication.md
observed f2eb8ba1ae6f21943f9ae0d1dc8e835f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:24.621408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087146/publication.txt
observed 36e61cae670463f170ded8c846c36d99...
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.