OpenTechnical

OT-2026-000085130

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, sustained 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-2026-000085130) never changes.

Identity and time

Publication numberOT-2026-000085130 · never reused
Internal UUID01a0ae99-43b9-7c28-8962-b05907971695 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085130
StatusPUBLIC

Content hashes

Canonical textb6cc36d8dc39fd2cff2d66c4ce16c4d79059b115745957783d369c5837e3396f
Markdown93f59ba138fab7ac334907c1238cdbb32f30bda1ed38b18b904a1bd7386d6d5d
PDF
Publication page221c3a786b0e1edaf078d3b2896bfca81588d651fc2c00b5939128f641efc8f6
Manifestb0047586ece5f252e57e7d67c505242749df19849a5715fcf14e37507958134f

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
SignaturekXf4+xS8WrTdf2mgD7db4G9VIiXFvO+rICX9Pqu3lXjo6vqjqk8+itU25qA+WDA4jyPI4OyoCK80yI3RC1FmCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:12.335629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085130
observed 221c3a786b0e1edaf078d3b2896bfca8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.319335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085130/manifest.json
observed b0047586ece5f252e57e7d67c5052427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.303761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085130/publication.md
observed 93f59ba138fab7ac334907c1238cdbb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.286617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085130/publication.txt
observed b6cc36d8dc39fd2cff2d66c4ce16c4d7...
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.