OpenTechnical

OT-2026-000103694

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single 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-2026-000103694) never changes.

Identity and time

Publication numberOT-2026-000103694 · never reused
Internal UUID01a0aea4-e462-70e4-ab5d-e4b01f6cdb2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103694
StatusPUBLIC

Content hashes

Canonical textf1db676a6eb43db8a8f1090a8014d9580976ec5e81331f8aa70c7baa66c1b0a6
Markdownc3bf29cdfbaaee243942f3813bba540278c3331bb92c67d18a18dc0938a21e25
PDF
Publication page2d9d23c30aa0a9420a62e08937382378f20a51d415c21826764300b7c1747c73
Manifest62f6844256c70ef9ea88fcdc9f974e8eb8b2cee3b5c553085714bda09c426e5f

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
SignatureHUvEb039b+nbuzHMGUAbnKxhcmGF+P+Tkip1bpJIkI7n0M25552+hFvRdOKFJN9VMmf3KJ9g1d0/jlNsvvwNAA==
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

2026-09-17T09:22:29.991491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103694
observed 2d9d23c30aa0a9420a62e08937382378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.974859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103694/manifest.json
observed 62f6844256c70ef9ea88fcdc9f974e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.957966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103694/publication.md
observed c3bf29cdfbaaee243942f3813bba5402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.938830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103694/publication.txt
observed f1db676a6eb43db8a8f1090a8014d958...
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.