OpenTechnical

OT-2026-000079714

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000079714) never changes.

Identity and time

Publication numberOT-2026-000079714 · never reused
Internal UUID01a0ae96-4375-7969-a129-71ca826978c0 · 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-2026-000079714
StatusPUBLIC

Content hashes

Canonical texte258a56b650fe590eae99037f29240459e60f93bbc604806b7a73497db119863
Markdowna97a8d8820691dd56c2b4ea21b097067d08878e8ea1e43ae22662065066f3cb2
PDF
Publication page761af0d3b41412dfe1c27e571ff10f2aa0d9dc93a7097adfab43c0d3d0ead447
Manifestc9a42631b2307d890e0b1d49f9278b240b663f66bff313fa6d4b8804b917908d

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
SignatureleuDZsvC4InsOGFhbGVYg1dMLQ4UILm2UrqFDlqLgFJ9/53QdKKKQbwtCa/mzVTTbMyLYeoswMVYOSXeuAI5CQ==
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

2026-09-17T10:03:34.426696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079714
observed 761af0d3b41412dfe1c27e571ff10f2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.408615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079714/manifest.json
observed c9a42631b2307d890e0b1d49f9278b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.388356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079714/publication.md
observed a97a8d8820691dd56c2b4ea21b097067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.368673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079714/publication.txt
observed e258a56b650fe590eae99037f2924045...
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.