OpenTechnical

OT-2026-000089741

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-2026-000089741) never changes.

Identity and time

Publication numberOT-2026-000089741 · never reused
Internal UUID01a0ae9c-1a22-733c-a91e-972f2a6ee77c · 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-2026-000089741
StatusPUBLIC

Content hashes

Canonical text0985804ec336a88dc5a6566fcba08d0b5c84a13c82030d8540e2259902643a5e
Markdowncd2c70de94d8d6bc5f8c1a4363c5671d82eca49c46a95f112163f4ebe9d041ee
PDF
Publication page98ae7194f1355b307d8a96841c6ec702a2bcbf8b61f5d055ff3550e1cd1757ad
Manifest68556f2eca8bbd0f78aba6159df87d67171a3a43e194b0a28dae57a4767c6693

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
Signature92k5TJc9L1JlbvZDTSsfRELhRrX4uZo0ty8BGg+PFaXvlHGCan3g46vHyDCz1b+h3hHY1u6PufAuRAiJSOh9BQ==
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

2026-09-17T09:46:44.993813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089741
observed 98ae7194f1355b307d8a96841c6ec702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.975330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089741/manifest.json
observed 68556f2eca8bbd0f78aba6159df87d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.956565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089741/publication.md
observed cd2c70de94d8d6bc5f8c1a4363c5671d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:44.938139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089741/publication.txt
observed 0985804ec336a88dc5a6566fcba08d0b...
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.