OpenTechnical

OT-2026-000033714

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000033714) never changes.

Identity and time

Publication numberOT-2026-000033714 · never reused
Internal UUID01a0ae75-a390-72d4-a961-0c10cd067a76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033714
StatusPUBLIC

Content hashes

Canonical text8fcfe4811f857db18a602a7aad9ed68cf87c2bf958f92ca7a1ccd2c1f5257848
Markdown0d0e361544190d768273d855a42fa2912cb45e3e0fcbd7742b4337a86e985d84
PDF
Publication pagede79d6078a96007b29445e57c4c4aedf3e67a7220c7a83a2c627aab8f8ad49b0
Manifest602729026d6d03c9ef18c9ac66aa1b7363e6bf79467cdbfbed1a7decbde8011d

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
SignatureRPgwWMf98Nu/7CTJC2UbtnaIfby0d1gVOKWz070hmIKGY3papdqRg4b+m8bGfx9NyWbw/EP+nIlhPvKprNgJAg==
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

2026-09-17T11:31:42.853087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033714
observed de79d6078a96007b29445e57c4c4aedf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.835741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033714/manifest.json
observed 602729026d6d03c9ef18c9ac66aa1b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.816814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033714/publication.md
observed 0d0e361544190d768273d855a42fa291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:42.798000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033714/publication.txt
observed 8fcfe4811f857db18a602a7aad9ed68c...
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.