OpenTechnical

OT-2026-000099001

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000099001) never changes.

Identity and time

Publication numberOT-2026-000099001 · never reused
Internal UUID01a0aea2-8287-790c-9b68-e62cb31a2684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099001
StatusPUBLIC

Content hashes

Canonical text465bd4037ee787a3aecf1be98ebb0f04ba615043540c0e8ac23523fa09230c01
Markdownacd32c9b267ddaa47644803eacb73ade8344cba161127e37291667894952f21c
PDF
Publication page68be07408c5c9c20d20eb0acb2ad7d25c62bc0789253c2efeb961020bdfc7b91
Manifestc679c1231cffb28067a1ec2ac4f6d5e613e1dd5f4de84c960c0157da233db608

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
SignaturebS7RxDFydx3l5wgwItKe+t/6cbSPLvw3SxJcCGour/UZ3MqB8M/W1hr0gNb6KfYqWFjyhmdh6vtRy1FsZYTpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:05.139101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099001
observed 68be07408c5c9c20d20eb0acb2ad7d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.120905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099001/manifest.json
observed c679c1231cffb28067a1ec2ac4f6d5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.102887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099001/publication.md
observed acd32c9b267ddaa47644803eacb73ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:05.086521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099001/publication.txt
observed 465bd4037ee787a3aecf1be98ebb0f04...
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.