OpenTechnical

OT-2026-000004866

Publication integrity record

Vacuum cup gripper, four zone face, two outlet manifold, three stage ejector, contact triggered

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-2026-000004866) never changes.

Identity and time

Publication numberOT-2026-000004866 · never reused
Internal UUID01a0a925-da93-74e5-8708-61eafce7ac31 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:37:05.431375Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004866
StatusPUBLIC

Content hashes

Canonical textc775ef0c2b1038934640c223c84fa1eaa1b7d5b40b4d938e1b147063308ae503
Markdown2d379b0b344104e7e6c8d49836444361de378df70e6089d7107ed6946b39531a
PDF
Publication page21906974ebc45c4524f11a0ae7934f9b1c3a1365bffc1a9eebef66a2b23f7deb
Manifest60ed89904df19c22ff555fe631c6259c13c8aae103d5de00c6f8587c46917341

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
SignatureKJt9t3Fl9yvmo0aiOj3eqt5FWMeGrKPhqdLfp4t2FeP7HuTYn75fAKXyZq0dtYH/J6BtakkPdH5OXGpZhe4QBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:10.644999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004866
observed 21906974ebc45c4524f11a0ae7934f9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.629800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004866/manifest.json
observed 60ed89904df19c22ff555fe631c6259c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.507009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004866/publication.md
observed 2d379b0b344104e7e6c8d49836444361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:10.491251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004866/publication.txt
observed c775ef0c2b1038934640c223c84fa1ea...
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.