OpenTechnical

OT-2026-000053992

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000053992) never changes.

Identity and time

Publication numberOT-2026-000053992 · never reused
Internal UUID01a0ae85-b3a7-73b7-83c5-e861796fd4a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053992
StatusPUBLIC

Content hashes

Canonical textd35cfac53dfbc4a5a4e0bbbbb92ea5dbb873f98426466ff11ba62fe8d770d3ce
Markdowne0c76288e419dcf36849fe53a44a8b5c0fc115c5a40fe617f3a188997701de1d
PDF
Publication page16510c0c941980a1ff39138704a19c7daccd762834efe196ba0acdc851afee23
Manifest928e712dc69e747044cc84b34ecc335df951840b481c74a0d858b4f4336b8236

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
SignatureJegBbyE7Ii9Pws4wFpAti2KQYGXXc6Rod6DuFqEtPhcoa2HVwc+w498zgeK33vPA5C+6mMRRJTSzha8jgrpDBg==
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

2026-09-17T10:54:18.594059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053992
observed 16510c0c941980a1ff39138704a19c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:18.553394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053992/manifest.json
observed 928e712dc69e747044cc84b34ecc335d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:18.510882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053992/publication.md
observed e0c76288e419dcf36849fe53a44a8b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:18.479571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053992/publication.txt
observed d35cfac53dfbc4a5a4e0bbbbb92ea5db...
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.