OpenTechnical

OT-2026-000007176

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, pressure verified, vented before set down, plastic cups

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-2026-000007176) never changes.

Identity and time

Publication numberOT-2026-000007176 · never reused
Internal UUID01a0a975-70dd-70d6-a7a0-f193381f2b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:01.247923Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007176
StatusPUBLIC

Content hashes

Canonical text42d847681f696ac13b0b0b300a90b172c8b3f5e508905fbb39cab080db5f9b08
Markdownd7c0961aae0e4f0d51a5445b82c49dd1af087604b14acca7a05ead8af9721b0d
PDF
Publication page0df34ac359f50641e7ed4c8d9c63d5e8d074e420342f3c9c13dcc30412e66d5b
Manifest0531fb5e74d1b4d364512447262721cf1924df060ef9cc24d1ec719145713c2f

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
SignaturePJdVfnK3Xkxxo8PBugywSSmTLSyj97znT2dOPT9NbvCfMr9XAJI1YfPQFxrM1Sbr+K8Vn37mgN7Za4BxOZvPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:18.956939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007176
observed 0df34ac359f50641e7ed4c8d9c63d5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.944564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007176/manifest.json
observed 0531fb5e74d1b4d364512447262721cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.933015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007176/publication.md
observed d7c0961aae0e4f0d51a5445b82c49dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.920605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007176/publication.txt
observed 42d847681f696ac13b0b0b300a90b172...
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.