OpenTechnical

OT-2026-000054275

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000054275) never changes.

Identity and time

Publication numberOT-2026-000054275 · never reused
Internal UUID01a0ae85-b3a9-7436-b7da-19bf1e6e32e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054275
StatusPUBLIC

Content hashes

Canonical text76d0dc46d4b98cf2d8865e14932a8a778d11e06e686cbdad54167fcb1623a975
Markdown25b083599540549a79383e7f6fe6227c6ef4cce2d5880ae9d9cf3279713ef40e
PDF
Publication page05a1cb1135d670a7d32906dd8648ebe57592949e60f34ad491989a7722c12535
Manifeste6757e24d8b50a176734f60feb9125372262474de2acde16e03e7798ca7104ea

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
SignaturejaFEviu9rtHCghc7NRIAMKL6tOKxzv37fTEi5tS6tpAxrZNtx/dmDn0ysreRuwmUHUINoGOOK3xcKlO/ltPRAQ==
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

2026-09-17T10:54:46.145547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054275
observed 05a1cb1135d670a7d32906dd8648ebe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.128148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054275/manifest.json
observed e6757e24d8b50a176734f60feb912537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.111005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054275/publication.md
observed 25b083599540549a79383e7f6fe6227c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:46.091579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054275/publication.txt
observed 76d0dc46d4b98cf2d8865e14932a8a77...
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.