OpenTechnical

OT-2026-000053608

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, 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-2026-000053608) never changes.

Identity and time

Publication numberOT-2026-000053608 · never reused
Internal UUID01a0ae85-0a95-733b-b037-1da891ce93a2 · 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-2026-000053608
StatusPUBLIC

Content hashes

Canonical text3bf90d2958e449deac3b907a39a49a634a23ed93da327ab2c80310a23eb6aae3
Markdownc0f94d43b550a99a8fffee8b6273e79c94778370f59a8621efee1203de0340bf
PDF
Publication pagec8b660fe165d0cf977063c5ca949595929f109022a0fc7afa731d2cce3f8b716
Manifest4741b009fa214f6679d1a5a9165eeec3c9c5d8c7520646085ef365310a066a4a

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
SignatureIjHDnnUECV5FbVXmMf1Wdox0fT91zcMz/V5P85dQjgphOzqzsbSxF+9xHSffUhMk3aIEPvDDSA9ubBWpOk8YDw==
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

2026-09-17T10:55:28.984996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053608
observed c8b660fe165d0cf977063c5ca9495959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.967259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053608/manifest.json
observed 4741b009fa214f6679d1a5a9165eeec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.947121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053608/publication.md
observed c0f94d43b550a99a8fffee8b6273e79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:28.926424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053608/publication.txt
observed 3bf90d2958e449deac3b907a39a49a63...
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.