OpenTechnical

OT-2026-000024435

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed 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-2026-000024435) never changes.

Identity and time

Publication numberOT-2026-000024435 · never reused
Internal UUID01a0ae70-e8ca-73bd-b1c7-b5d48f455dab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024435
StatusPUBLIC

Content hashes

Canonical textb924856897897095986169b0926db6142573c8b0926e8605f5498b4555cdc4dc
Markdowndd95f8e67b11917fea3bffe0ade8c5c46cc23f43b4fe137c040c5ed0e5273459
PDF
Publication pageca6ec8defd9c983fcd66328b314f040c3aac785a249108d7d8835fbaa8f30e47
Manifest42f7ef891a3798095ec92036a0ca12b9617f27fed2493bfb3e1e9bfb33e8c601

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
SignatureYdJX6fBRIYG3d9srfzaUx0KqGnTkIhO2Hx53BfYV4TMD6YKWHCbPic3I9kMOno0AfF7br48aGXup6Kc8FSOACA==
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

2026-09-17T11:50:19.571480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435
observed ca6ec8defd9c983fcd66328b314f040c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.553665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/manifest.json
observed 42f7ef891a3798095ec92036a0ca12b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.535632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/publication.md
observed dd95f8e67b11917fea3bffe0ade8c5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:19.515527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/publication.txt
observed b924856897897095986169b0926db614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.541266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435
observed ca6ec8defd9c983fcd66328b314f040c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.523401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/manifest.json
observed 42f7ef891a3798095ec92036a0ca12b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.501505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/publication.md
observed dd95f8e67b11917fea3bffe0ade8c5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:34.482830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024435/publication.txt
observed b924856897897095986169b0926db614...
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.