OpenTechnical

OT-2026-000053917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000053917) never changes.

Identity and time

Publication numberOT-2026-000053917 · never reused
Internal UUID01a0ae85-b3a6-76c8-9627-65d6c96fb115 · 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-2026-000053917
StatusPUBLIC

Content hashes

Canonical textca29c18cfea2e247f9310121e48d1c84e45c2c8e134c70bb2bd6881604930c93
Markdownc6856ab6bc558ca0db54fed4a64f64a889a81145af93e5b72e4f1d4cb172829c
PDF
Publication page4f6e3bfe5142412cceca96d8b657b743e442fc1c9b17f281373c2245813a4f31
Manifest714ee0ac80693b6bc884e83f462e5a2698ce31fd155b86778be23252d22d347a

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
SignatureX31X6GYKS+iN5RYPyv0NBT6PtfFF1L+/NInup5MCnfhqFhvFIA51YdtOLkPAv9awLx/1552Iejz1Xpq+4jvTDQ==
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

2026-09-17T10:54:09.374377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053917
observed 4f6e3bfe5142412cceca96d8b657b743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.353923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053917/manifest.json
observed 714ee0ac80693b6bc884e83f462e5a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.332735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053917/publication.md
observed c6856ab6bc558ca0db54fed4a64f64a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.313977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053917/publication.txt
observed ca29c18cfea2e247f9310121e48d1c84...
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.