OpenTechnical

OT-2026-000009877

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000009877) never changes.

Identity and time

Publication numberOT-2026-000009877 · never reused
Internal UUID01a0ae6b-cb78-7dc4-833c-0d05fc231182 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009877
StatusPUBLIC

Content hashes

Canonical text500b5c4982a515440f70159e26cff6fb106483349cf3e023f899a8013a6f4d12
Markdownaeef90b2bfea8956773c9f0adb379d0ccb494f1b6e1ab29c8f0adeff3d9d83c9
PDF
Publication page51c9032cd7e6796e45d5bda0478db007112f59a5fbad5dce1e09203e8bab2cbb
Manifested8bb8446795c406cb384f9dac31f0bb4c064edaf2c74333fa43ff8393f8c08f

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
SignatureLp6OJopPllkq7Ve8rdzWCRZ0Ahv89cXNmgMUBgKvfZ+75hczymjKSUWGpd/ofPnOYHh7W7yI4/A0yG5Gn2brDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:53.007720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009877
observed 51c9032cd7e6796e45d5bda0478db007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.989117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009877/manifest.json
observed ed8bb8446795c406cb384f9dac31f0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.966930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009877/publication.md
observed aeef90b2bfea8956773c9f0adb379d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.945603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009877/publication.txt
observed 500b5c4982a515440f70159e26cff6fb...
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.