OpenTechnical

OT-2026-000043448

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000043448) never changes.

Identity and time

Publication numberOT-2026-000043448 · never reused
Internal UUID01a0ae7b-327f-7ca9-b941-a73fbd7868c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043448
StatusPUBLIC

Content hashes

Canonical text92e68b351cf8282ea8b1a3e3637cec46d2334ad79975af623eac52ff4ff11931
Markdowna7d72e0174b329a0089173f6a3677d2b9da3d994ce3a0982cbc278a8ffc29504
PDF
Publication pageb6070efdcd8b64f0397c95c51340030526a229c232e574b59ac58f063e1ade53
Manifest03b904029230ad8728a21f218a5c945dcd3711ae0aea4b391fc1865e1f8939f9

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
SignaturehVb3AJbHbiRRYllvcPKaE2pg0xbEDqkp0wMTNPPFPniEPjNhzEd+Q+81GTD7QzgyCjldix7w3An1gqMjl509BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:59.947339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043448
observed b6070efdcd8b64f0397c95c513400305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.927986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043448/manifest.json
observed 03b904029230ad8728a21f218a5c945d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.909464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043448/publication.md
observed a7d72e0174b329a0089173f6a3677d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:59.889735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043448/publication.txt
observed 92e68b351cf8282ea8b1a3e3637cec46...
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.