OpenTechnical

OT-2026-000057749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000057749) never changes.

Identity and time

Publication numberOT-2026-000057749 · never reused
Internal UUID01a0ae88-6ed7-7eee-8de9-c34f3b01b022 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057749
StatusPUBLIC

Content hashes

Canonical textf2ff2b818745de056fc49c26d9173bbe4899c119604f6975c7262761951929f4
Markdownaf3c4f7c70aaa2b327b85ce395ed5204396641865e4871d6fbb589df0a26fd72
PDF
Publication page9668c52edf1dd25e3e70604368bab6da25c9f7f246330ebb7564ea6489a53de4
Manifestd89f196f579aa793497e518221fbb70c3b0b1d596bb063ce4ae6411edd27d45c

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
SignatureIWRdpmmtevSjH3WEHi/vPh+YW7mU4WsoiclISTWb8z+9lw+7EH4AIlt+eRFOlqzjHKAWyCQ/dF7nh/F9o93CDw==
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

2026-09-17T10:47:17.480362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057749
observed 9668c52edf1dd25e3e70604368bab6da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.463188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057749/manifest.json
observed d89f196f579aa793497e518221fbb70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.444863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057749/publication.md
observed af3c4f7c70aaa2b327b85ce395ed5204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.426884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057749/publication.txt
observed f2ff2b818745de056fc49c26d9173bbe...
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.