OpenTechnical

OT-2026-000061355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000061355) never changes.

Identity and time

Publication numberOT-2026-000061355 · never reused
Internal UUID01a0ae8b-1384-7b81-8d50-ebfa476c5a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061355
StatusPUBLIC

Content hashes

Canonical text3bf9eff8608f21f5856e5e83a979bca1df21b86ff51634d6c46776f58be59ebc
Markdown924d81dd3aebfb6845dabd144df18697748a47608d17fd9189c07a9063cae86b
PDF
Publication page6a64db6408e106055826ccd35c3514c006ba3f9ee731bd3e2091458647e8c910
Manifest6516bc26ad800e80fa4a2db82ee8225656b42e75830a55a0ee918b3733d88d8b

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
Signaturei8BCpzj/eW2kIwZMAFLdwJR6JCAWyLF4d+NpqZhabD6Li1cVG5mkrWRZwMok6tYGvMdXI1QP5m7BnqL0PCSuBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:48.166187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061355
observed 6a64db6408e106055826ccd35c3514c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.147260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061355/manifest.json
observed 6516bc26ad800e80fa4a2db82ee82256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.121012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061355/publication.md
observed 924d81dd3aebfb6845dabd144df18697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:48.097755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061355/publication.txt
observed 3bf9eff8608f21f5856e5e83a979bca1...
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.