OpenTechnical

OT-2026-000055523

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000055523) never changes.

Identity and time

Publication numberOT-2026-000055523 · never reused
Internal UUID01a0ae86-a102-772f-8a44-d3332ec11292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055523
StatusPUBLIC

Content hashes

Canonical text6156c5b5bb2e011704185baad37c9a362007bf75cc59037e736f3f99a30849dd
Markdown419953987477f5d7d42871331e9abb48b80f599677d0ef864c8d3be1369e1ad1
PDF
Publication pagedb137bd53f0bf9b8e3118b270e00d353ef64b7e500ec413e6f7390c76a3369d5
Manifest308a21ce03700f3449566c289174ef206a2d460ed1abcf3cd53b7df125ef6e6c

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
SignatureThfQfQUmfuZNyIwaRzwDuKR7uG4SwFQ/nsT9/S4f1Mc51c7nFmid3M8dWJkPjK+69oQXDwYvxPEEHyYN3dKKBg==
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

2026-09-17T10:52:12.029671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055523
observed db137bd53f0bf9b8e3118b270e00d353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:12.013032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055523/manifest.json
observed 308a21ce03700f3449566c289174ef20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.995562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055523/publication.md
observed 419953987477f5d7d42871331e9abb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.977327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055523/publication.txt
observed 6156c5b5bb2e011704185baad37c9a36...
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.