OpenTechnical

OT-2026-000040539

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000040539) never changes.

Identity and time

Publication numberOT-2026-000040539 · never reused
Internal UUID01a0ae79-6d0d-7011-8b63-bdeb79ad9569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040539
StatusPUBLIC

Content hashes

Canonical textb77a3ab5627ca6ce0af37a6a867d1e1a57ffb05f490d85ec4f6b7ec372e77ce7
Markdownc39f0644278904b63dd878298d92fc90674b5b9758691bfafb065a3adfb66bb5
PDF
Publication pagea45fe99c337727488512804ee6824f7440ea1ea84221370c63a22a1953a8a055
Manifesta8db36bfa8ed50c16f9fb8c1247877ebbf06979df8890df31e6acefbc35b003a

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
SignaturejfhRUX97wErrcAM/E6gTZmg/spMPzyxVC6oHUwE/xjyaMtg9iDW0kPgF+Awoa1pgJTMGFg/b2gzDxf2c5tj/AQ==
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

2026-09-17T11:17:41.583458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040539
observed a45fe99c337727488512804ee6824f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.565794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040539/manifest.json
observed a8db36bfa8ed50c16f9fb8c1247877eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.547342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040539/publication.md
observed c39f0644278904b63dd878298d92fc90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:41.528184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040539/publication.txt
observed b77a3ab5627ca6ce0af37a6a867d1e1a...
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.