OpenTechnical

OT-2026-000079703

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000079703) never changes.

Identity and time

Publication numberOT-2026-000079703 · never reused
Internal UUID01a0ae96-4375-7fc9-8cac-ebbe248400a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079703
StatusPUBLIC

Content hashes

Canonical textf0da8301083133ccdbf76e3120ce8474c22a822a5a14b806bcee86f77c94c9bd
Markdownfc81b5b266b510aeac8659d1a56b6c4636a053a2b8a06127db0caeb5df066e3e
PDF
Publication page8ffd8d08d0f4500fac6902f3495d0699eee24188571721988d1b75f7dc9e5df9
Manifestf1d9edf7b10149093232eed68cc4cf7207d2299d31628b8d2fe0bfbb8dfb2031

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
SignaturerhKe4Jui4p8e7YrUw29DHo0ps+xLIZpwA8naZT+QjSY68M5fpjExFTNneAMVQ7Up19l06x7rzZ2RsZS5X44ZAg==
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

2026-09-17T10:03:28.665357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079703
observed 8ffd8d08d0f4500fac6902f3495d0699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.645317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079703/manifest.json
observed f1d9edf7b10149093232eed68cc4cf72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.628000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079703/publication.md
observed fc81b5b266b510aeac8659d1a56b6c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.610561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079703/publication.txt
observed f0da8301083133ccdbf76e3120ce8474...
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.