OpenTechnical

OT-2026-000015671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000015671) never changes.

Identity and time

Publication numberOT-2026-000015671 · never reused
Internal UUID01a0ae6e-0c4b-7c95-966c-5bb36e1c0e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015671
StatusPUBLIC

Content hashes

Canonical text960f89fb8263c6dca0751544425dc80d950c28003774fac8c71799c30ab2f29c
Markdown45c7885ccba6b5e1295f01178c746fcd8a85b0625421743afabb957f01e68ea6
PDF
Publication pagef8a90435a88faa81c16ddce8fefae6ee41a3ec05528c5fc069996ef4bacff0ad
Manifest979a5bd3497ae1f5024bce7e60e75f7fdcb274a92105404219a8511d7abc36cf

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
SignatureP1Cfjgz4xydl2I7RMsJJmr3wu1D0jcFdPbn7Bcxr8jej90q7DMJzH32P7qPzwRswcMHbbLAkHA2hrEA+FoFEDA==
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

2026-09-17T12:04:56.284802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015671
observed f8a90435a88faa81c16ddce8fefae6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.258913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015671/manifest.json
observed 979a5bd3497ae1f5024bce7e60e75f7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.230648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015671/publication.md
observed 45c7885ccba6b5e1295f01178c746fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:56.209652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015671/publication.txt
observed 960f89fb8263c6dca0751544425dc80d...
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.