OpenTechnical

OT-2026-000017156

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000017156) never changes.

Identity and time

Publication numberOT-2026-000017156 · never reused
Internal UUID01a0ae6e-76c7-7946-96f5-d574f74b6a4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017156
StatusPUBLIC

Content hashes

Canonical text40abfeb3fc0ff3ea4cccd34d93c5e9bca63cbf1c3996b6f5dca47e5f1dde01bb
Markdown838d308ce870724695a874a4f8eabe647bddc4c10f622c8528cc2601f564cce0
PDF
Publication page3132f9693425cade381c221051637a2913887cc74254bf4e9e789dc4b35033d2
Manifest65c91cc78ce4c74259d8c20f93949b608389b9d99965ff32ec3b639c5b684263

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
Signature8p9M3nfmiGY7LwP6s5z1tUWodpRnSP0K8wzuOyuijIN0liE0EvZcPkCATvTrzW0JHUqwJ5x0ejr+GIaCmhXiDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:13.081435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017156
observed 3132f9693425cade381c221051637a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.064352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017156/manifest.json
observed 65c91cc78ce4c74259d8c20f93949b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.046993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017156/publication.md
observed 838d308ce870724695a874a4f8eabe64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.030350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017156/publication.txt
observed 40abfeb3fc0ff3ea4cccd34d93c5e9bc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent