OpenTechnical

OT-2026-000053851

Publication integrity record

Two cup vacuum gripper, two 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-2026-000053851) never changes.

Identity and time

Publication numberOT-2026-000053851 · never reused
Internal UUID01a0ae85-735e-7b3c-8f6d-bee4a6616b40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053851
StatusPUBLIC

Content hashes

Canonical text761f9318ea4991d2cfac349d9b277769b4130f2a3d4ee89089627583b115ae0f
Markdown888941c67c7be0d12a40704261fac4a61aaad3e2ba8168d8152c4108aa2b9f55
PDF
Publication pageba68f6b49108d284e082764ea780932b1aaaade39ddcace564334e9f69317417
Manifest49bfe802c01af67557984f1ac69cb3ba07664516e07eedb255db0804004471ab

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
SignatureUAGkPN/NrUYHjs9KLhcYeVZ/mAeQp/apQrZ2LjWaHC+xJo9G7FPOGNRReJZu/HAmPww013jFWDfzIlxaMK5DCA==
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

2026-09-17T08:40:36.333483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053851
observed ba68f6b49108d284e082764ea780932b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.314599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053851/manifest.json
observed 49bfe802c01af67557984f1ac69cb3ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.297757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053851/publication.md
observed 888941c67c7be0d12a40704261fac4a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:36.277933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053851/publication.txt
observed 761f9318ea4991d2cfac349d9b277769...
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.