OpenTechnical

OT-2026-000079989

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000079989) never changes.

Identity and time

Publication numberOT-2026-000079989 · never reused
Internal UUID01a0ae96-4377-7b51-90ca-4d02d808ed61 · 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-2026-000079989
StatusPUBLIC

Content hashes

Canonical text084a4bc3ba586c86456f4b30dff2ddc3b64ccba4af7f2e6d1e6eee4b757c4260
Markdownadeac5f3928dc01f386740c0ac30c9e7d451b0788d0997755456e97e5066721f
PDF
Publication page6939fcd8c02267837e3f0afa80c66878839bd0f8cecbad6d4b88df85365c4b26
Manifestbcb0cc23a30b0c6b938df77158a3fdb12f41a3b0bba4c9ebac8b5a2aaeb55495

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
SignaturehT3sCapi80aCNe1GXUD3kRuQtBEyeGDsvHEa/76tOL+lApcdNgVnL3rbvV2eaFJfpo+BXO9siff4NrSlXdnqAw==
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

2026-09-17T10:03:54.536378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079989
observed 6939fcd8c02267837e3f0afa80c66878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.518668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079989/manifest.json
observed bcb0cc23a30b0c6b938df77158a3fdb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.501705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079989/publication.md
observed adeac5f3928dc01f386740c0ac30c9e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.482987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079989/publication.txt
observed 084a4bc3ba586c86456f4b30dff2ddc3...
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.