OpenTechnical

OT-2026-000054315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000054315) never changes.

Identity and time

Publication numberOT-2026-000054315 · never reused
Internal UUID01a0ae85-b3a9-7de6-8914-b2f94eb95f74 · 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-2026-000054315
StatusPUBLIC

Content hashes

Canonical text27e3acb7c49e1e1d6b2f5698bcac86900983dd306450f307d545b84e74f45310
Markdown0dbd36a88bf4eb633d2a63ba95048f50276367ab2c9655d8e16e5ec64e5ede14
PDF
Publication page9eb3b226f8752135b452a38dd6dda14245b1c24b549f94731fdcc98374477bf0
Manifest6cb0d7ea5fdd658286cb0f083ae5ad577aa1b7590502342adb4672a6ccc9e3a5

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
SignaturewM8Mu+9n3z1FH0vpG4AJTQzgpfWnP6dehgRTL75jpOFUuK7wyh4hjfzC5v/OPikfuGV39m+8C3Z/rQ+rMmZuCQ==
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

2026-09-17T10:54:49.357494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054315
observed 9eb3b226f8752135b452a38dd6dda142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.338753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054315/manifest.json
observed 6cb0d7ea5fdd658286cb0f083ae5ad57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.319163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054315/publication.md
observed 0dbd36a88bf4eb633d2a63ba95048f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.299805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054315/publication.txt
observed 27e3acb7c49e1e1d6b2f5698bcac8690...
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.