OpenTechnical

OT-2026-000055839

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000055839) never changes.

Identity and time

Publication numberOT-2026-000055839 · never reused
Internal UUID01a0ae87-0a49-7909-b3a9-8500f5da6770 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055839
StatusPUBLIC

Content hashes

Canonical text329aac80bad92b4308ef3942d32ebeffbf74d8512f2cb556d1ddabb1b84d52e5
Markdown864dbf50bfa1512b2b9ebdce85847a0464cb9cf44bf4edc4e2d5f17793be1172
PDF
Publication page22ad19bb37dfb834db9d587a113e53c02cc2bac33eb83f2b8b988dc7afb7e6e5
Manifest310c80c24260d71c3bd4606346feae26290528c45e4a570efcb6e3bc04663a3c

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
SignatureeQdyFb8UIl8dQzgrcOOnk6ZXB98xt4v1Yn/t9GPbP98KxrKsplmqx/uMhEkpyQmhMBM8VpFvlSEekXpfi1ltBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:13.601406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055839
observed 22ad19bb37dfb834db9d587a113e53c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.584079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055839/manifest.json
observed 310c80c24260d71c3bd4606346feae26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.566428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055839/publication.md
observed 864dbf50bfa1512b2b9ebdce85847a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:13.548559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055839/publication.txt
observed 329aac80bad92b4308ef3942d32ebeff...
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.