OpenTechnical

OT-2026-000100887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100887) never changes.

Identity and time

Publication numberOT-2026-000100887 · never reused
Internal UUID01a0aea3-c376-7ca8-8b17-57894d1f3199 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100887
StatusPUBLIC

Content hashes

Canonical textf1f5bb6fe2a94dce08060b63dc9637af2c367b4c4171fd53763fda8731846681
Markdown0cf8c3275a5f1176a378fb7943bc48d24a50ba9767b2176face7647780110d99
PDF
Publication page60aa5c245acc8df1f10b5e5534c08a5415c1e4537740c542e4f6d7d2c0aff6b4
Manifest931f6235c8b6cb335e7bb360409021becc9c916a4cc694ca9ffb9ff1085cc0cd

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
Signatureqyi+TdBKM4xjWGntVQJL9n/DCpDaFViTs1UAGZcfHFNtTYgf1bdVWNnRB3exKR1S8otK2HgGi2gRD7IH3MvIAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:22.676680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100887
observed 60aa5c245acc8df1f10b5e5534c08a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.660899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100887/manifest.json
observed 931f6235c8b6cb335e7bb360409021be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.645259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100887/publication.md
observed 0cf8c3275a5f1176a378fb7943bc48d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:22.627825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100887/publication.txt
observed f1f5bb6fe2a94dce08060b63dc9637af...
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.