OpenTechnical

OT-2026-000101570

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum 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-2026-000101570) never changes.

Identity and time

Publication numberOT-2026-000101570 · never reused
Internal UUID01a0aea4-0e15-72f5-8a2c-8e4669124f32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101570
StatusPUBLIC

Content hashes

Canonical textdf6b4b98b8273b4dc20b19bf547f49955a1a8bd7be0e3229f0bea7cb8c615491
Markdowna44e65ba854a981fb50024672ece99de42b1f9437e7cf6ebc1bbea2e13af4945
PDF
Publication page656d049d05e83da0597e569db81abfbc180a701ee1417970db6cdc0f8933691a
Manifest6d05f40e758dd79d49cb0cd2cadd72fbb39f32bcd2d916807694aa4c5de9b2d0

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
SignatureQ/g2HIzbC4KYJhBaASiXTgzsPx/cOi1ZkHlAxCADcijrqL+5veEIpdjJOg1RFPsxDlmSChwP+bHMYQd0S8wACQ==
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

2026-09-17T09:25:38.885902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101570
observed 656d049d05e83da0597e569db81abfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.867895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101570/manifest.json
observed 6d05f40e758dd79d49cb0cd2cadd72fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.851495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101570/publication.md
observed a44e65ba854a981fb50024672ece99de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:38.832627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101570/publication.txt
observed df6b4b98b8273b4dc20b19bf547f4995...
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.