OpenTechnical

OT-2026-000053960

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053960) never changes.

Identity and time

Publication numberOT-2026-000053960 · never reused
Internal UUID01a0ae85-b3a7-799e-951b-0743cb12f73c · 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-2026-000053960
StatusPUBLIC

Content hashes

Canonical text2db847525a06e8835fe5cba2b1d4a1886cb9a25bba3243704124a54787c08e4a
Markdownf97759b47d56b0223d1cf9f566799782d1843e39cfa6157fea67a11c164316ac
PDF
Publication pagef7bdb0dbaea3ba7a23ed3055ff330dba9441904733193189242374a32f4197fb
Manifestf0ff995f6510f727ce130b54f352e2bfe186d75a6400ea5d43934373996eb4fd

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
SignatureHQ5KgSufNbTbPepVJPVeYWFHfcBvO2Z+uFRtuZy/ArCWWo8hq29RmCrYPQ3pG1t9BAnP/8mkcJn4jPl1NeGADQ==
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

2026-09-17T10:54:13.598159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053960
observed f7bdb0dbaea3ba7a23ed3055ff330dba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.572382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053960/manifest.json
observed f0ff995f6510f727ce130b54f352e2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.546486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053960/publication.md
observed f97759b47d56b0223d1cf9f566799782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.522556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053960/publication.txt
observed 2db847525a06e8835fe5cba2b1d4a188...
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.