OpenTechnical

OT-2026-000089611

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000089611) never changes.

Identity and time

Publication numberOT-2026-000089611 · never reused
Internal UUID01a0ae9c-1a21-7aa2-a132-50fae8187c1f · 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-2026-000089611
StatusPUBLIC

Content hashes

Canonical textb87fef84f2409b27d01a4e9b617e635272ca5b9c48c167e517a120e45e65ab3d
Markdown308913b4a1a733a1ee396c95fae84b5073a76f71ae9e123b2875295808f9fa1c
PDF
Publication pageb528d48cc542ae8b18e73ff49a05c4e26403ffb9a036ee0a391fe68e269580a0
Manifest6ce8242d1590523b1de61345dd2ebc03e00996e2f1a54431bc8689db898ad0ef

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
SignatureOg8xm0RdWMOkvSNxeJS4QOKv92qXQPYW6oBjiiNH8ziah4D4LWvm8UySRBodqN2DO1XjDWQ/VZPSSvozv2XODg==
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

2026-09-17T09:46:35.540852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089611
observed b528d48cc542ae8b18e73ff49a05c4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.522620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089611/manifest.json
observed 6ce8242d1590523b1de61345dd2ebc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.505126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089611/publication.md
observed 308913b4a1a733a1ee396c95fae84b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:35.487727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089611/publication.txt
observed b87fef84f2409b27d01a4e9b617e6352...
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.