OpenTechnical

OT-2026-000070979

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000070979) never changes.

Identity and time

Publication numberOT-2026-000070979 · never reused
Internal UUID01a0ae91-8c2e-79c2-b571-775d4b502f67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070979
StatusPUBLIC

Content hashes

Canonical text94e49c3e4341be77e61ce4d0cf4f59442f1ce759a4081aecf203dfe35f05514f
Markdowna55d5f35d0eccbb176607507c0083cdedfb7003a3269fcd5e821b59ab9b04dae
PDF
Publication page6a06790896185e654e0265ebcf4ef122bf354ce78c2c10eed1e750478b0e6ad2
Manifestfa54569d7e3af3bcd3b097222a06f2a706f629a18b7e4e2c46c314d3f8a72d02

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
SignaturelOBNdV5Xp5vdlNB3WI7c1zvgqmRy/lw31yZTWWhdosYhdnz7iLfOhLskxQAtkmox4RnnyLGpWxeUicGxSQB3Aw==
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

2026-09-17T10:25:49.251976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070979
observed 6a06790896185e654e0265ebcf4ef122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.234551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070979/manifest.json
observed fa54569d7e3af3bcd3b097222a06f2a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.219008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070979/publication.md
observed a55d5f35d0eccbb176607507c0083cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.201678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070979/publication.txt
observed 94e49c3e4341be77e61ce4d0cf4f5944...
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.