OpenTechnical

OT-2026-000053661

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000053661) never changes.

Identity and time

Publication numberOT-2026-000053661 · never reused
Internal UUID01a0ae85-0a95-7fb1-b966-3b1e5068d30c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053661
StatusPUBLIC

Content hashes

Canonical textd0d83763a4a1bca576ac6702146fc6983c2d711c5d32bd0781d664b3fb1c16d5
Markdown79c6423e663bda665ca51c8200ff914b01e152d34b519af3a4723ff6d3f33d60
PDF
Publication pagef9690e906a96c576edb190bd5003e92715070f0ca07d30e902fa9402bed03b50
Manifest5c7980caa8405292197d5cf8049ca9dcd825d6806ce7d5d223f242a42fe57815

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
Signaturetkf2yA+zHXiw4Y15vK2XFM6640G+gqOkK7Xt4Gc1Fj/dhaSFSPiYaO6Es5DQDsUwjd6CnHcGvzHakDouf0M9CA==
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

2026-09-17T10:55:33.102309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053661
observed f9690e906a96c576edb190bd5003e927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.083380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053661/manifest.json
observed 5c7980caa8405292197d5cf8049ca9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.066410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053661/publication.md
observed 79c6423e663bda665ca51c8200ff914b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:33.047582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053661/publication.txt
observed d0d83763a4a1bca576ac6702146fc698...
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.