OpenTechnical

OT-2026-000054884

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000054884) never changes.

Identity and time

Publication numberOT-2026-000054884 · never reused
Internal UUID01a0ae86-1285-75cb-b444-f61434fa22f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054884
StatusPUBLIC

Content hashes

Canonical text13f0939cb1a92632b2c3a3ff7bee9638f12a794de62092d6a9e136b7cada43c6
Markdownd40fe014e0749f82c6b07f57e8f48914c61d2d87aaa456bc6cebb00d8ad612f7
PDF
Publication page0e491deb84baa54370673f1eaf91d03ec9ab43862dbfa897ce5440b153cd9e46
Manifest667dff91e5321b33416c89cbeecbe87ac79bd09e41cfde5eccaca6a70c6e51f8

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
SignatureE8L4HmDUdXrGirAZrYvteJ22VNq/mLLsTpEsguHam8Z7uEGZ0O1cMWleDS6+P9tq2MZQo6OpMmbfC6roWGqCBg==
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

2026-09-17T10:54:06.534311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054884
observed 0e491deb84baa54370673f1eaf91d03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.516312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054884/manifest.json
observed 667dff91e5321b33416c89cbeecbe87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.497843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054884/publication.md
observed d40fe014e0749f82c6b07f57e8f48914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:06.476711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054884/publication.txt
observed 13f0939cb1a92632b2c3a3ff7bee9638...
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.