OpenTechnical

OT-2026-000079426

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079426) never changes.

Identity and time

Publication numberOT-2026-000079426 · never reused
Internal UUID01a0ae96-0b91-7bc1-9093-6fb6db655dc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079426
StatusPUBLIC

Content hashes

Canonical text3dd35451cdc13762ee03ea874acee1144e325318e3a05a27529391832de752cf
Markdown20b8c7f83edffc9be31eb84cea57d9729f79e3d153ce9a4933f6a10fe0213d2a
PDF
Publication page49b5c6731cbce4112540b2ef638d05098a191a81d47f27ecad8e22e0cc9edee8
Manifest5f0e675ba13350f1832e8be6ab63dc0337abe52d686bee283a2461bb5a445d31

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
Signature42lofx6tiN+A5M7fH/h5xIr1kHsPs9c5jvyaMRNE/yAkWdoppLLiE6KLlD5IqQ7H7h2KbUYbqXM7qNwIqswlDw==
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

2026-09-18T04:23:20.080557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426
observed 49b5c6731cbce4112540b2ef638d0509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:20.061947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/manifest.json
observed 5f0e675ba13350f1832e8be6ab63dc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:20.043997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/publication.md
observed 20b8c7f83edffc9be31eb84cea57d972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-18T04:23:20.018643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/publication.txt
observed 3dd35451cdc13762ee03ea874acee114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.116386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426
observed 49b5c6731cbce4112540b2ef638d0509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.094465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/manifest.json
observed 5f0e675ba13350f1832e8be6ab63dc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.075782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/publication.md
observed 20b8c7f83edffc9be31eb84cea57d972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.057963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079426/publication.txt
observed 3dd35451cdc13762ee03ea874acee114...
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.