OpenTechnical

OT-2026-000079080

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000079080) never changes.

Identity and time

Publication numberOT-2026-000079080 · never reused
Internal UUID01a0ae95-ccbf-70c6-8525-e004b2d56404 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079080
StatusPUBLIC

Content hashes

Canonical text4c4aebe43122918e18d8d92895f127b702acb968e11d2b647e5fc06c62349677
Markdown229329e31aa610d179292f211b066eb72ef23549ed25a76c0139fda5d5710dd5
PDF
Publication page8262b56b17fe37ce0415212a4cb92892b53e1754f0c9dc728fa3647c81249b22
Manifest8766b4294b3ea33000b772daa1e915d7f8ad91984a2391e4cca32b2423023822

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
SignatureI1Rm94Ql6WCwFyiYEbnsr5boTkTJ8n0A1jSDkGRaHY+H+dRfRgZsM3HIEADE4NtxhRgyBo2i8soAfO5ueNXSCQ==
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

2026-09-17T10:05:55.453624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079080
observed 8262b56b17fe37ce0415212a4cb92892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.433642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079080/manifest.json
observed 8766b4294b3ea33000b772daa1e915d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.414926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079080/publication.md
observed 229329e31aa610d179292f211b066eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.394846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079080/publication.txt
observed 4c4aebe43122918e18d8d92895f127b7...
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.