OpenTechnical

OT-2026-000089744

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000089744) never changes.

Identity and time

Publication numberOT-2026-000089744 · never reused
Internal UUID01a0ae9c-1a22-7d6f-a402-0a9725f7d2a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089744
StatusPUBLIC

Content hashes

Canonical text6630bd03263420dfc1e239b0d136a7d2b72914c2196ca02ad97c49973b001ece
Markdown41876497ad935300072486654c2ca5f5f0ba5df40f4a652338a9a55bf9cc4f8b
PDF
Publication pagee0fdcfc11b15cb3a546a69c2bcfa18476fe2d6a681236e22e2ab8f3462d64008
Manifest4358d78618fc6e97df23d365966a4f1a1c675b7da488ff76186e02e40dcc7761

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
SignatureY3718HO3t106xWFhBwPg1+zwJ7laevlJ4kvYZ4fbSvFiw1m0TjRXom5+IsMLUAlBdILl/3UY71vWIfiOOGrIDQ==
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

2026-09-17T09:46:49.452711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089744
observed e0fdcfc11b15cb3a546a69c2bcfa1847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.433181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089744/manifest.json
observed 4358d78618fc6e97df23d365966a4f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:45.210124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089744/publication.md
observed 41876497ad935300072486654c2ca5f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:45.193460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089744/publication.txt
observed 6630bd03263420dfc1e239b0d136a7d2...
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.