OpenTechnical

OT-2026-000043815

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000043815) never changes.

Identity and time

Publication numberOT-2026-000043815 · never reused
Internal UUID01a0ae7b-d677-70d1-bfec-96cdb251924f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043815
StatusPUBLIC

Content hashes

Canonical text65680c00c663b1eb6b43cba0ba7484d6c8d680e7c3b58a6f2aa46e62a842c710
Markdown10cd015971cfafc85a6b3d885de753712cb7b565419a984dd67e16fde77fac20
PDF
Publication page6463fc7cc2fa7ce5a03d3d492122b0d06edc6ac5b4c218867aceec78d6ec5f77
Manifest83712a70d9621812364822f2f497c0943721d67eec6d17d99d4a2039cc1e1b7f

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
SignaturefRhAddMxxme8+u9Zm4crL7UCHE8lmVVbC5U0rUx1pFxztfq28B4UVYc196oxoGBAVoleETuYQ/uRzteneUDSBA==
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

2026-09-17T11:12:07.338730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043815
observed 6463fc7cc2fa7ce5a03d3d492122b0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.320424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043815/manifest.json
observed 83712a70d9621812364822f2f497c094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.301486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043815/publication.md
observed 10cd015971cfafc85a6b3d885de75371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:07.283651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043815/publication.txt
observed 65680c00c663b1eb6b43cba0ba7484d6...
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.