OpenTechnical

OT-2026-000016839

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000016839) never changes.

Identity and time

Publication numberOT-2026-000016839 · never reused
Internal UUID01a0ae6e-5919-71dd-9726-871992d5ea5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016839
StatusPUBLIC

Content hashes

Canonical texte72ca0df56061245e2122a94a5f849f3b626e7d065e90a0f0f9b75337b3bd993
Markdowndd931ebe7a712d9bd5db775bda6ae57304ee6500047cdc9c58476088001c3437
PDF
Publication page73bc88e3668c2a68621d41fc32ffd9faaf75afafd4a953ecb4be6180728bd05b
Manifest8f22a49c916ebabe1ed03bb255342ad14b103c831dbb1edaef34691230fa5d63

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
SignaturelEh9a38PMMu6LKi3cs7xLy0wnOQlhmgFa+0SOnEKJxRFosIBozvMP20i8BF3+cgnv5ykJE/JFC2x40tg7x1BCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:06.018217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016839
observed 73bc88e3668c2a68621d41fc32ffd9fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.999328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016839/manifest.json
observed 8f22a49c916ebabe1ed03bb255342ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.982850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016839/publication.md
observed dd931ebe7a712d9bd5db775bda6ae573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.966330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016839/publication.txt
observed e72ca0df56061245e2122a94a5f849f3...
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.