OpenTechnical

OT-2026-000049564

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000049564) never changes.

Identity and time

Publication numberOT-2026-000049564 · never reused
Internal UUID01a0ae81-8f7d-7829-9cda-b80a48a551bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049564
StatusPUBLIC

Content hashes

Canonical text23a7cef8f41db139b6e979605223b914046642f70cb836a8b12658bb8970fa37
Markdown92fdb319fbd8d67c765544cf366775f92f9ce68d92b43e2acd5a0aae98cde3be
PDF
Publication pagead0ab4acf357c978940bd11528d18c83c51ec24b3874637ef5fd00be423d553e
Manifestdef2d29aec70a22c24185aa75c508df97f0d1db18a5faeb1951cecd9df746ca6

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
SignatureKsTlIztXV2+r/Tqsp96MGJkkELcIY+2QaAlXVyzlPNW7bVdweegsnGaX6kODvc7A8xolV6cLoFjmiHajUZYUDQ==
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

2026-09-17T11:02:26.259942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049564
observed ad0ab4acf357c978940bd11528d18c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.241182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049564/manifest.json
observed def2d29aec70a22c24185aa75c508df9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.223071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049564/publication.md
observed 92fdb319fbd8d67c765544cf366775f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.205128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049564/publication.txt
observed 23a7cef8f41db139b6e979605223b914...
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.