OpenTechnical

OT-2026-000077988

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum 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-2026-000077988) never changes.

Identity and time

Publication numberOT-2026-000077988 · never reused
Internal UUID01a0ae95-2ed1-72ad-ac3b-a1a80ed4ddfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077988
StatusPUBLIC

Content hashes

Canonical textce9f2e31c3d5e70cb02ff736d695e907dd842ec4162e0824b0f41ab78357abd1
Markdownbc788ff6b4a7a61e89ff7ee03bb3141da4dcd31798f8459c2b7ee959b006dc8f
PDF
Publication pagefc037c750e552d4789916415a45b4cb37c7b640be71abd76f87244d6a0247155
Manifest542d05b1d2fa24a966cdb5102aea8b9553bbb5b174edf564f95fa20f890ea395

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
SignatureZTeQvNVKPqtfARwP284ru5VYWEPFxEgQC+GzGp2WDtjjys6wu26tCiS2a02Qkzywq6dhmCqqYZe3mUHza3qBDw==
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

2026-09-17T10:10:25.271865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988
observed fc037c750e552d4789916415a45b4cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.252642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/manifest.json
observed 542d05b1d2fa24a966cdb5102aea8b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.231980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/publication.md
observed bc788ff6b4a7a61e89ff7ee03bb3141d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:25.211195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/publication.txt
observed ce9f2e31c3d5e70cb02ff736d695e907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.409876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988
observed fc037c750e552d4789916415a45b4cb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.392317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/manifest.json
observed 542d05b1d2fa24a966cdb5102aea8b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.373555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/publication.md
observed bc788ff6b4a7a61e89ff7ee03bb3141d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.354209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077988/publication.txt
observed ce9f2e31c3d5e70cb02ff736d695e907...
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.