OpenTechnical

OT-2026-000101898

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000101898) never changes.

Identity and time

Publication numberOT-2026-000101898 · never reused
Internal UUID01a0aea4-50f0-728f-b6f9-21dc58b34e52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101898
StatusPUBLIC

Content hashes

Canonical textf8f3e1caaffe312ce5ba98e3ab6acbd85cbe1606df89d3cc2fa7020018259cc8
Markdownbd42666cc79d9b01a46720bff19baf3097f8be0064fc5b3c2c309f2025293b4d
PDF
Publication pagefa2beff4bdb1c1fce153609e343fe64d5b278e122077ecc784edd56222893df4
Manifest8d8838b4b0b6675a2220badc815cc7d263ad95885c8c95d904bef3ec97474318

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
SignatureaMrnVIEmQMLLOrHtcNqBvhWyoLd3InaDeerbct5QoYHi6Rc5OI5wfhizPhjsx12uevrkrNe3bqoz3sEHBJGiCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:30.467609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101898
observed fa2beff4bdb1c1fce153609e343fe64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.450199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101898/manifest.json
observed 8d8838b4b0b6675a2220badc815cc7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.431681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101898/publication.md
observed bd42666cc79d9b01a46720bff19baf30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.412063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101898/publication.txt
observed f8f3e1caaffe312ce5ba98e3ab6acbd8...
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.