OpenTechnical

OT-2026-000088756

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088756) never changes.

Identity and time

Publication numberOT-2026-000088756 · never reused
Internal UUID01a0ae9b-8f10-737f-bbfd-35ffda678399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088756
StatusPUBLIC

Content hashes

Canonical text08ecc6e59da6a3f871a7fb72b128f979e039bb8f4668ee1ebd0d68718e8f0497
Markdownf543b3072e1624405d7b782c1a0c907294301405c667ad8030eb01ccfe15b0e1
PDF
Publication pagedb0c1ddacbcbdc217ffd8e8e3b324c51663d7e116f9c4dc99ed745ee941e5df1
Manifest8c4fb844ae4b8c40f0ed01f2ff9146386ea87db84b7e40ac31701537be4035f2

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
Signatures4TQXC/Lctq1hx60tzlQoiYHGD9bjsD/Vk5ftPa1cPjvM2iQkY3XkxaY554HQBKrLsMYdcDbZ2W4Ua2NesadBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:00.402261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088756
observed db0c1ddacbcbdc217ffd8e8e3b324c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.384227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088756/manifest.json
observed 8c4fb844ae4b8c40f0ed01f2ff914638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.365995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088756/publication.md
observed f543b3072e1624405d7b782c1a0c9072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.347935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088756/publication.txt
observed 08ecc6e59da6a3f871a7fb72b128f979...
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.