OpenTechnical

OT-2026-000057170

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000057170) never changes.

Identity and time

Publication numberOT-2026-000057170 · never reused
Internal UUID01a0ae87-d5ba-7ca0-8538-95beaf12f98e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057170
StatusPUBLIC

Content hashes

Canonical textf92d78ab4ab8928b76b0d1477de9f106c1f2557eafd9a9497f89561e588a9e4e
Markdown72b79fa8fa922923dc22d8af693f2624ce5db18c0eea2e4e6cba8da766f823aa
PDF
Publication pagea8af94dfe5097d5088a2fb055dc9ad24f776530c724338d08a91fb55e90c9441
Manifesta6c80e25745c1ce5ae32b4ea0f21e7aff3a918a7ae6414730a053b7c34cdeea8

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
SignatureAu4d5kv9+clR05FuPYtcR9VJ1KnP20xjlqHotguOZe/Elr70putPYBNquBXhJMXKrYgY0ihqjCN4v0hX5I3bCA==
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

2026-09-17T10:50:11.070658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170
observed a8af94dfe5097d5088a2fb055dc9ad24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.052817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/manifest.json
observed a6c80e25745c1ce5ae32b4ea0f21e7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.031801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/publication.md
observed 72b79fa8fa922923dc22d8af693f2624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:11.013186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/publication.txt
observed f92d78ab4ab8928b76b0d1477de9f106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.389616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170
observed a8af94dfe5097d5088a2fb055dc9ad24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.372944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/manifest.json
observed a6c80e25745c1ce5ae32b4ea0f21e7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.354664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/publication.md
observed 72b79fa8fa922923dc22d8af693f2624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:18.337560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057170/publication.txt
observed f92d78ab4ab8928b76b0d1477de9f106...
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.