OpenTechnical

OT-2026-000056946

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down

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-2026-000056946) never changes.

Identity and time

Publication numberOT-2026-000056946 · never reused
Internal UUID01a0ae87-7af9-7c38-ad09-1e9a8a32a5b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056946
StatusPUBLIC

Content hashes

Canonical text81735b485bac7a937500572eebaed1598cef2355246ef42db8858298dc9cd815
Markdownf4f57fdfbfde3e29abebf237fcfc5d96a2bf7f1a0e02002aa1083200b302ffce
PDF
Publication pageae56decfc49d50de4047065f44a152b8bbade2cdfa1a9406d455f0ee42925801
Manifest6a3d54bb3c7ee68ccaa4b1eca67045cb8cfcbb5e8f037fe1e82c403a9f8a5497

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
SignatureDBCK4p8lMk1llg/7/aT7Xb5DlCamPCPPSDwbL1ZaRv5IRkKPsOlvkPp/4iUwVf3HpZTb+YLfKTfNoYrfn0LyBA==
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

2026-09-17T10:50:29.946144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056946
observed ae56decfc49d50de4047065f44a152b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.927563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056946/manifest.json
observed 6a3d54bb3c7ee68ccaa4b1eca67045cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.910698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056946/publication.md
observed f4f57fdfbfde3e29abebf237fcfc5d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.893532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056946/publication.txt
observed 81735b485bac7a937500572eebaed159...
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.