OpenTechnical

OT-2026-000053668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000053668) never changes.

Identity and time

Publication numberOT-2026-000053668 · never reused
Internal UUID01a0ae85-0a95-7042-8d64-6466a43fffba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053668
StatusPUBLIC

Content hashes

Canonical text7d33982ec52b206e28e5b892745927c27c9db26a56f050fb13681502d2dd09d0
Markdownecc2222c4ff783ddd0b09acca0e6509350971fb8e065f76637553d520896b417
PDF
Publication page47fc1aabf1dd4cb308b13ad5ed9fb0195441064e0066d2002aea0b4b49e4b3d1
Manifest00a002f677d1822cd427d0236d4871b12b422d53c5289b4b956e88de37d1fdf6

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
SignatureeHq/F2CmNf4ARZM6iFACloaFDJ1McvoulJNz6OVJVkBxWMiTGiLwhUDsKKx9je7BTMItrHzVh1vjFTPYWl2uCw==
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

2026-09-17T10:55:33.642860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053668
observed 47fc1aabf1dd4cb308b13ad5ed9fb019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.622999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053668/manifest.json
observed 00a002f677d1822cd427d0236d4871b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.602845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053668/publication.md
observed ecc2222c4ff783ddd0b09acca0e65093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.585189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053668/publication.txt
observed 7d33982ec52b206e28e5b892745927c2...
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.