OpenTechnical

OT-2026-000077158

Publication integrity record

Single bellows cup vacuum gripper, pump fed, vented after 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-2026-000077158) never changes.

Identity and time

Publication numberOT-2026-000077158 · never reused
Internal UUID01a0ae94-f507-7309-861a-0c12993513b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077158
StatusPUBLIC

Content hashes

Canonical text19d02de7d3fa50d6db410be474a94cf64a107cc3fb10e5f78f0f29c53f51de59
Markdown310bb02ee1f12b00efa96e94a4318f9a6c7ea4dfff13b1468b7f00e5bc496def
PDF
Publication page148acf057c8fe7b74c791bf4c6d341a94a114cab4eda71d733ebea45ab993811
Manifest9a30ce75b8bd02f8f8a05f3c50bbe01480138fa17467b8f69a5f6efb4cb5324e

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
Signature+ouezhIOpbC+Y0tmwDJyEhmsQMtWt6lwfwDXq7jzXBdk+G3lKTWPOyFVH+G5bqpubPO4CboMvvKfT59XAIvFCA==
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

2026-09-17T10:11:47.961765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158
observed 148acf057c8fe7b74c791bf4c6d341a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.942147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/manifest.json
observed 9a30ce75b8bd02f8f8a05f3c50bbe014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.295711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/publication.md
observed 310bb02ee1f12b00efa96e94a4318f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.274602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/publication.txt
observed 19d02de7d3fa50d6db410be474a94cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.684551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158
observed 148acf057c8fe7b74c791bf4c6d341a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.665582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/manifest.json
observed 9a30ce75b8bd02f8f8a05f3c50bbe014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.644741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/publication.md
observed 310bb02ee1f12b00efa96e94a4318f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:37.626607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077158/publication.txt
observed 19d02de7d3fa50d6db410be474a94cf6...
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.