OpenTechnical

OT-2026-000032863

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000032863) never changes.

Identity and time

Publication numberOT-2026-000032863 · never reused
Internal UUID01a0ae75-4842-7ea3-b388-8316b40e278a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032863
StatusPUBLIC

Content hashes

Canonical texte0b1ef702b3e1cac12fc294cd1d777836096f645beaaaaffd1e0f9ed7afe1eed
Markdown074808f3c20e40374dcf6d999483d93d91f22aa0e1fa2d8a3f099ecab212c763
PDF
Publication page6f31c31e4aaba798a74268050657194a6850a96270404ab0704338f6e870a3cf
Manifest9b17da9db6c1509a512ac2c2d6e5df5eb6c40e1331db22b5f8a7e7ea81a795ab

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
SignatureeVTTfzqx23PkYY8faT0JLOKi99hdFr3xte+CnDJA1ztRT+6Yf5T8iTfCyOibuZ8ULCuUQPYleUaMKT9CDJCZAA==
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

2026-09-17T11:32:19.848684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032863
observed 6f31c31e4aaba798a74268050657194a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.830888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032863/manifest.json
observed 9b17da9db6c1509a512ac2c2d6e5df5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.786409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032863/publication.md
observed 074808f3c20e40374dcf6d999483d93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.740920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032863/publication.txt
observed e0b1ef702b3e1cac12fc294cd1d77783...
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.