OpenTechnical

OT-2026-000020869

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000020869) never changes.

Identity and time

Publication numberOT-2026-000020869 · never reused
Internal UUID01a0ae6f-65e3-7f73-abf7-d13a31d7459e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020869
StatusPUBLIC

Content hashes

Canonical text2c65836c74e7a934c94032285b08555fda65462b4c2ea022dc217f0097dc7f29
Markdown8e8d6091d3343dd1e7e2bae0966581f09cb8d597c65992ed083d41ea1cdc6890
PDF
Publication pageb280162afe5149ffd1627f5d1c736cea73dfa4494420b075693cfebeda13c929
Manifest106181831222907b0131570836a0d935862b4e7897ef8f7955df70c80ae4997b

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
SignaturetyHjsYau0R7yWfgshE+MXJDGiyp7kw+REMqQAslsUuVwrgbDf4pQm2FYfVZnDplDcvwSKkmTonywwOSBs2svBQ==
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

2026-09-17T11:55:58.397686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020869
observed b280162afe5149ffd1627f5d1c736cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.378641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020869/manifest.json
observed 106181831222907b0131570836a0d935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.362231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020869/publication.md
observed 8e8d6091d3343dd1e7e2bae0966581f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:58.345259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020869/publication.txt
observed 2c65836c74e7a934c94032285b08555f...
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.