OpenTechnical

OT-2026-000057628

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000057628) never changes.

Identity and time

Publication numberOT-2026-000057628 · never reused
Internal UUID01a0ae88-2694-76e4-b8f2-3bac0027fd93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057628
StatusPUBLIC

Content hashes

Canonical text658f33546da04c82a07c7ae4fa3dc5bdf370e0d8c238f1d7b6e801bd8208d5fd
Markdown46cbbac83cbf403700a60d7334e1028e2631c78a232534b84c4d37f2c68d01d8
PDF
Publication page759696232f6edf4f153ea47b0523ab09ac0a94ea3f3ab97660a723bf0b8a19e0
Manifest931cc39121aa6451e5cee86a1e92776565ecb65a2cddc50ff3a88e8133e93b1a

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
Signaturet63H+8I4yDhuOLfTe2p2iVDyYspTwtjgUS0U1a/b7azHMWam7O1MNk7xNstawAZJYoj6WPeZXeoRQKPF1N7aCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:11.322850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057628
observed 759696232f6edf4f153ea47b0523ab09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.305285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057628/manifest.json
observed 931cc39121aa6451e5cee86a1e927765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.286459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057628/publication.md
observed 46cbbac83cbf403700a60d7334e1028e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.266463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057628/publication.txt
observed 658f33546da04c82a07c7ae4fa3dc5bd...
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.