OpenTechnical

OT-2026-000055801

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000055801) never changes.

Identity and time

Publication numberOT-2026-000055801 · never reused
Internal UUID01a0ae87-0a49-74f4-98dc-442f3184f03b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055801
StatusPUBLIC

Content hashes

Canonical text2b1cbc5529ef38e4f7564a022fa794100befb4426c0c2c2e2bc88aefe84ce5b6
Markdown2179c256bce8f20eed5895ebd8e95a32d66f0542246e84f45f376c211b4d192e
PDF
Publication page44184167cc982992f75b64a24d09c626be7e5460cb90723840c153b32ce65138
Manifest423dc5be1c502366e5d266cc6187d082d73b8d281c251902d193757fbf02af3d

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
SignatureovBbORmeQi/FrzCs8NTnryRPlkEYM/EmXdy53F7g2naAHnTuJlKT7IJncTHwcxgDpqMLhdyIA2RLY1XIZSU9CQ==
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

2026-09-17T10:51:10.603632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055801
observed 44184167cc982992f75b64a24d09c626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.587885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055801/manifest.json
observed 423dc5be1c502366e5d266cc6187d082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.571529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055801/publication.md
observed 2179c256bce8f20eed5895ebd8e95a32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.553718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055801/publication.txt
observed 2b1cbc5529ef38e4f7564a022fa79410...
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.