OpenTechnical

OT-2026-000053648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000053648) never changes.

Identity and time

Publication numberOT-2026-000053648 · never reused
Internal UUID01a0ae85-0a95-7c6f-adc6-5b98a7cada55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053648
StatusPUBLIC

Content hashes

Canonical text75be4be3db76ad256f243fde5b28225c41b047c449f6b0e34cec76b4efd79b71
Markdownb4d666d3e1f987e8f4c52cdba9903d068263205ac12501fb193ce6030474c87d
PDF
Publication page8c0668a60d9aa4c0e6d62be4df9545afbf2d5c42e8637c7da9b0d6e11b28be23
Manifest4f35151d1aa19bb5d94f551042bcadbdad418e393934301c0b5aae6d127b340d

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
SignatureesVjj3Fb0FW3r7qTqBQt2o/EF9+SPjY0WyIGw3ekom43hB9h5/ALT42J9QjDVtmHJt3q4NMaPoXcMIfvDVe7CA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:32.081919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053648
observed 8c0668a60d9aa4c0e6d62be4df9545af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.063830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053648/manifest.json
observed 4f35151d1aa19bb5d94f551042bcadbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.043849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053648/publication.md
observed b4d666d3e1f987e8f4c52cdba9903d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.026115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053648/publication.txt
observed 75be4be3db76ad256f243fde5b28225c...
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.