OpenTechnical

OT-2026-000064715

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed 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-2026-000064715) never changes.

Identity and time

Publication numberOT-2026-000064715 · never reused
Internal UUID01a0ae8d-deb9-7944-81c8-5e33faffbb37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064715
StatusPUBLIC

Content hashes

Canonical text3ce3dc6293474325fec62dcd57a78f6ddee635f43a2ce59a7371bb73f1482477
Markdownf5f1dd1b2071927ed847f4da5c16fc3cd8588e99db51a3e9dd3ba2d8ae737a7a
PDF
Publication page47f553eee1edf9e4e1dbe6713e2f085f312b2d7261ba102eabbc21734c330550
Manifesta1fee9de805847e4822921c45418fac6064256d251044992512e310c0e09e1f1

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
SignatureI9OSdnsMiJKq14mlbiDAMd6OgJ5hDyYDzxhulhgTUH7je980+K22wxW36Tb3N+yTENcq8ejBaBPRwj0IE5LWAA==
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

2026-09-17T10:35:35.293434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064715
observed 47f553eee1edf9e4e1dbe6713e2f085f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.277255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064715/manifest.json
observed a1fee9de805847e4822921c45418fac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.259009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064715/publication.md
observed f5f1dd1b2071927ed847f4da5c16fc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:35.241679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064715/publication.txt
observed 3ce3dc6293474325fec62dcd57a78f6d...
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.