OpenTechnical

OT-2026-000053553

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000053553) never changes.

Identity and time

Publication numberOT-2026-000053553 · never reused
Internal UUID01a0ae85-0a93-76af-88b5-ff4716ce54c7 · 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-2026-000053553
StatusPUBLIC

Content hashes

Canonical text6754e9ad06f54846b76fdafa5c813062a7cce0c6aad93ba734c8349e650ddbde
Markdown39b6a6b85e193125c30ae4c707ef45df8d64e4e93062e343b93cafac41da582c
PDF
Publication page56d19312d637f34ef3c436c27723296513328770af3aff7d1b7fb9b2efe6b7f2
Manifest1e92d8565902cbac16486fa2cfc5a75388ea1bb568c08bc58e43d92361959437

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
SignatureqWr1xBBma06jzxM22NMiExeklUF4J3/qrgDhRM9IjTv4vaCgFEpvcu2FKBSNf7em9U+mDrqXz89NfO/osA1lAQ==
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

2026-09-17T10:55:24.723968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053553
observed 56d19312d637f34ef3c436c277232965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.706576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053553/manifest.json
observed 1e92d8565902cbac16486fa2cfc5a753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.688387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053553/publication.md
observed 39b6a6b85e193125c30ae4c707ef45df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.669239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053553/publication.txt
observed 6754e9ad06f54846b76fdafa5c813062...
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.