OpenTechnical

OT-2026-000053853

Publication integrity record

Four cup vacuum gripper, four 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-2026-000053853) never changes.

Identity and time

Publication numberOT-2026-000053853 · never reused
Internal UUID01a0ae85-735e-7a92-bbe0-98325aeca88f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053853
StatusPUBLIC

Content hashes

Canonical text40c7ca017248762daf31695ed97173a18ef433fbba148cbae6b78816b6d4e4c9
Markdown08079c96301235cb252f126ea6904e862321dffe54f1ae93ba6083adcc1c1e62
PDF
Publication page88df34506af3a7a1b9127eaa843e73db015a97af3edd62289ff6fba0e19b5a1a
Manifestcdc601f0631ca6d0fa7e6f559c7ba62f834ce4d720e1ea5c072e190a08d80913

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
SignaturelLPyPklzuZ7r0vcv8WgnBscu12BlecOxD5Zg0JI53tN/TgfdiXQXWPv26WieOJcnE9XdjygWqLYjdOg1TkOxCA==
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

2026-09-17T08:40:35.618980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053853
observed 88df34506af3a7a1b9127eaa843e73db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.599236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053853/manifest.json
observed cdc601f0631ca6d0fa7e6f559c7ba62f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.580840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053853/publication.md
observed 08079c96301235cb252f126ea6904e86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:35.562404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053853/publication.txt
observed 40c7ca017248762daf31695ed97173a1...
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.