OpenTechnical

OT-2026-000099793

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099793) never changes.

Identity and time

Publication numberOT-2026-000099793 · never reused
Internal UUID01a0aea2-c978-7308-a9f0-ec8f7d9e14bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099793
StatusPUBLIC

Content hashes

Canonical text70e1901ef874de4f89d22bf4db97f97db577cffff341cc0372622ed809c77934
Markdownfc3bdd48589eb81b05c9846d2f1aad3faa40c3773845f9005260d0dcb529b432
PDF
Publication pageeeea6a9910f99b678ab70a4c297905da4fef0d8df20275736923fa18ef262a35
Manifestea42dc2a3e5f29204b39e164b43f4f0e8ba147fef9eb64889730e950b27d076d

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
Signature0EJ+hOvgjpWXzItTnG6zImIO/E9EpXxQ0KKzeUZOZ1u72uVamFbEPhhv16A8zneLFlaS9x12xElwWhGSTNW+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:49.855118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099793
observed eeea6a9910f99b678ab70a4c297905da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.839081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099793/manifest.json
observed ea42dc2a3e5f29204b39e164b43f4f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.822930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099793/publication.md
observed fc3bdd48589eb81b05c9846d2f1aad3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.806637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099793/publication.txt
observed 70e1901ef874de4f89d22bf4db97f97d...
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.