OpenTechnical

OT-2026-000078464

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000078464) never changes.

Identity and time

Publication numberOT-2026-000078464 · never reused
Internal UUID01a0ae95-7c28-76f2-b66d-80fa815a8830 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078464
StatusPUBLIC

Content hashes

Canonical text50a483e7e0bdbdf8b22a9659a1431b47579f2ba75194216315853fd30fad0d7c
Markdowna692f5cd0e1a40b15c7c25f8c780e76828c03af4edf1a90a606a5868d33091de
PDF
Publication page5ae24d76269cee1911a28e1218228ead1cdbd8f9d3c6dfb656d3a61e26d026ea
Manifest131bfecd30c35e0f8555935bd27d4dfb4d40e10e0558bdc243958d68f269c5f7

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
SignatureO758oVI0UnJvCAHsVcc9OBlBHEgvLKxdO39t/VYN/5zEUzM+yKHtQ9gbnZ7KEI24hCMlkX4yA7GwxJ2KPvqsDQ==
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

2026-09-17T10:06:28.023359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078464
observed 5ae24d76269cee1911a28e1218228ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:28.003064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078464/manifest.json
observed 131bfecd30c35e0f8555935bd27d4dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.983029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078464/publication.md
observed a692f5cd0e1a40b15c7c25f8c780e768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.962511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078464/publication.txt
observed 50a483e7e0bdbdf8b22a9659a1431b47...
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.