OpenTechnical

OT-2026-000100348

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100348) never changes.

Identity and time

Publication numberOT-2026-000100348 · never reused
Internal UUID01a0aea3-3054-731d-923b-3bc1551541e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100348
StatusPUBLIC

Content hashes

Canonical text5127f6b500e70f6a08c6a3766bbfa739e83bdb8af85c3cdcac6771ab76ecc75a
Markdownbeef3856dd9b28ecd00e9582929cf149999b4fab947f879dc23e23f9f38c8803
PDF
Publication page2f857aa8f1599c680738cb02d529a0da208e2559f1391846efab6e4c1f5651de
Manifest9b9d7ab223d42e304ca0e24d4f5d82385dc7c7f445c63d6d8e7e686500e3f54e

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
SignatureseFh2Zt6QKzYVn8WGrdnnVDHuGrcTBGv/Rdtda0WOntFoUGu1wziIiL7Wkiw6jBFejFKR0w8tpBp3uFl50IiBA==
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

2026-09-17T09:30:17.787734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348
observed 2f857aa8f1599c680738cb02d529a0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.766642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/manifest.json
observed 9b9d7ab223d42e304ca0e24d4f5d8238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.747654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/publication.md
observed beef3856dd9b28ecd00e9582929cf149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.729933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/publication.txt
observed 5127f6b500e70f6a08c6a3766bbfa739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.154250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348
observed 2f857aa8f1599c680738cb02d529a0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.136861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/manifest.json
observed 9b9d7ab223d42e304ca0e24d4f5d8238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.117753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/publication.md
observed beef3856dd9b28ecd00e9582929cf149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:40.100810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100348/publication.txt
observed 5127f6b500e70f6a08c6a3766bbfa739...
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.