OpenTechnical

OT-2026-000067363

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000067363) never changes.

Identity and time

Publication numberOT-2026-000067363 · never reused
Internal UUID01a0ae8f-6bd8-7af7-a02f-7e2ed4d4cca2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067363
StatusPUBLIC

Content hashes

Canonical text1bdd935bf16f432b4369582f2405fc432cb9a2c908310edd848af5d4698e6244
Markdownca9d9abfd18f4f83f355da91f164f9dcc4b7ac6d8ba3a2d5b1bc04e23be2cdeb
PDF
Publication page40665b2ef7947aa23330ef101f28dedcbc15a92f10b67a1691cf55ce442ceefc
Manifestc1c0826faebf98302adc381799559e76cf297d5c01e4d597d81092838cca4366

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
Signature8KRUCiVZWBeinei8gQeodvlrCPk535kvAjBF4lq/0PrrLBxY0sj8nt8bgX+FWPL/cAzNSnQJ2tOCSeb4WpxtBA==
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

2026-09-17T10:31:32.898724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067363
observed 40665b2ef7947aa23330ef101f28dedc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.880882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067363/manifest.json
observed c1c0826faebf98302adc381799559e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.864333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067363/publication.md
observed ca9d9abfd18f4f83f355da91f164f9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.847630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067363/publication.txt
observed 1bdd935bf16f432b4369582f2405fc43...
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.