OpenTechnical

OT-2026-000078888

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000078888) never changes.

Identity and time

Publication numberOT-2026-000078888 · never reused
Internal UUID01a0ae95-ccbd-7916-a108-783b5cb0f27b · 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-2026-000078888
StatusPUBLIC

Content hashes

Canonical textf3f17b128359e5818749d5368010009cf079254f7431dbad1a026e811b33d7cb
Markdown0faa4273c383a2805bbf30d259b6fb849e7d3605b5e920f79cc6a6d318141d19
PDF
Publication pagea73e3e8440b25949ddb28ce7f9ae2f8867dd1f7971c0d44c53155372ba6394fa
Manifestcc3aea7c1e704fc40ae403c27fd8ee9849141c3b8efa21469595006591b78fc3

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
SignaturewiRr1xNiWD5wy0Iq9owuvM03KbZR/o55v7IE5Gdj3FM+1Th6QxpDxLkIeBJLY1qnnF101mWoe19hnA4CURcbBQ==
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

2026-09-17T10:05:41.752434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078888
observed a73e3e8440b25949ddb28ce7f9ae2f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.732847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078888/manifest.json
observed cc3aea7c1e704fc40ae403c27fd8ee98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.713215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078888/publication.md
observed 0faa4273c383a2805bbf30d259b6fb84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.691554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078888/publication.txt
observed f3f17b128359e5818749d5368010009c...
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.