OpenTechnical

OT-2026-000008782

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, vented after 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-2026-000008782) never changes.

Identity and time

Publication numberOT-2026-000008782 · never reused
Internal UUID01a0ae6a-e46c-7e66-94ff-5e220bcd518d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008782
StatusPUBLIC

Content hashes

Canonical texteb1d00d0986d5ce608fc1ea4ee1c28bfa753a4cea4d941fa7d94513d399f7d0f
Markdown9253af58fed48b04b89158191105351b3f34c33234cc04ca6a299c4798fc7c84
PDF
Publication pagee6a24522ca1b8b974d44c6098e98221dc68ba12333b6bda774a91b4cab0d4b1c
Manifestdc61ed2c1680f56bcc9d1a9acaf70224cbedc56246637e19cee23e35deb29dd8

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
SignaturecTSqP4tzbFKl1K1VQ1dettM70zsWdYmfrTdW4sjlOswzrwrCc0FWnKfqNvHzc3pq9sjQR1nXfyPQgsz7zeqMDg==
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

2026-09-17T12:18:07.380383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008782
observed e6a24522ca1b8b974d44c6098e98221d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.361459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008782/manifest.json
observed dc61ed2c1680f56bcc9d1a9acaf70224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.338708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008782/publication.md
observed 9253af58fed48b04b89158191105351b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.318353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008782/publication.txt
observed eb1d00d0986d5ce608fc1ea4ee1c28bf...
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.