OpenTechnical

OT-2026-000055359

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000055359) never changes.

Identity and time

Publication numberOT-2026-000055359 · never reused
Internal UUID01a0ae86-a101-7455-8250-9c3d3c1d7935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055359
StatusPUBLIC

Content hashes

Canonical text613129cfdc77b4c0d1e688f7378eff1a864984e6b4d2414655ae010556b9f078
Markdown8922a11f3c9455bc88f72b148d3bfd28bf75519aafb9778b7986c21f0d134533
PDF
Publication page910620984fa15f55668254402ffd24fd1cc464d115e679c16ac2353058dfd31e
Manifest09a38aee0b2d967eaf6f161e8c6e321ab35346063719f620d5c7e6d59b0c328d

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
SignatureqirYcjo31i2wHEQ56R6XUMO2y5aZ3//k39Toaq3gkD4yFkVHxUKqUjBnQx3V5+KR1oxJkIDTt0EUaHyBS3G2Ag==
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

2026-09-17T10:51:59.241807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055359
observed 910620984fa15f55668254402ffd24fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.224117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055359/manifest.json
observed 09a38aee0b2d967eaf6f161e8c6e321a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.207582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055359/publication.md
observed 8922a11f3c9455bc88f72b148d3bfd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:59.189435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055359/publication.txt
observed 613129cfdc77b4c0d1e688f7378eff1a...
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.