OpenTechnical

OT-2026-000055083

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000055083) never changes.

Identity and time

Publication numberOT-2026-000055083 · never reused
Internal UUID01a0ae86-5e81-7094-92d5-b9b5b6ca3d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055083
StatusPUBLIC

Content hashes

Canonical text859739bf02aafacfa7a9a9413dca159679fa7ba9009f4ffd6dbcb7e41dfec6df
Markdown4cfa7ddf5045888effa0ed497af53236e3869afd54d48c08807f6863138595ea
PDF
Publication page36a099242fc80699cf82c644122a3bfb8753bf5db06daebdb334add67ae58683
Manifest48270d82077852bd9a99683309f90ad730a077ba32811d76fa40e3c5976e2733

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
SignatureSJUvnPWdqD4b/et1rP6Ej5aAfg/4pfTIg8o3eXyIrxNh9ERlLowq/QxztYlofPEGdu09fJT7pLjJLLprIoxcAw==
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

2026-09-17T10:53:14.335996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055083
observed 36a099242fc80699cf82c644122a3bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.315487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055083/manifest.json
observed 48270d82077852bd9a99683309f90ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.296311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055083/publication.md
observed 4cfa7ddf5045888effa0ed497af53236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.276268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055083/publication.txt
observed 859739bf02aafacfa7a9a9413dca1596...
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.