OpenTechnical

OT-2026-000059417

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000059417) never changes.

Identity and time

Publication numberOT-2026-000059417 · never reused
Internal UUID01a0ae89-8617-7480-b2e3-7ce097f9e3e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059417
StatusPUBLIC

Content hashes

Canonical text368b59915b9bd8f369e5d728e0afad47d164106455473a9b70b088dd5b6d303e
Markdowndfc2bc83744ce053fe2c7aca3325f2040301a883bdb92b93ea05ac00563bf4ba
PDF
Publication page56949c3a3c350795c889944c98d48f388b0c31cbe357e8876520c82c9c984faf
Manifest435b438c44456d14de025d5fc24a4e204e260a33278e32d8aa702208db8abaae

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
Signature1AflvqvVar0O/dpfJdTf0flObL7FkuRzDnK8izISLiw5/2miqeKHUK9oxRx/m9vfucmerz/oJpjMm3iKnjunCg==
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

2026-09-17T10:46:06.383124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059417
observed 56949c3a3c350795c889944c98d48f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:06.368160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059417/manifest.json
observed 435b438c44456d14de025d5fc24a4e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:06.351862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059417/publication.md
observed dfc2bc83744ce053fe2c7aca3325f204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:06.334795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059417/publication.txt
observed 368b59915b9bd8f369e5d728e0afad47...
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.