OpenTechnical

OT-2026-000077942

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000077942) never changes.

Identity and time

Publication numberOT-2026-000077942 · never reused
Internal UUID01a0ae95-2ed1-7133-9875-10690795d953 · 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-2026-000077942
StatusPUBLIC

Content hashes

Canonical text8bdf6b2cb61a6136fd956a61f59e787a2da7d8140f41a9aee97be0ae279f76c3
Markdown428a36c21f5542586004f4be64759f9660ea6fe2b2ab985ef43150ca0d8d779a
PDF
Publication pageb92190e72252e5f7595509024d0a581e26dd4b9077b9a90599c961a950c1b5c0
Manifestade01eb142983936d8dcf8865c3bfa5461b2e5db627aef546eb8da4b37a8fc05

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
Signaturew/Rt5UbNLr330Mba4pfdvkvSoYhrNx5yjhUcx1G5SEb8Hrfq8X43pewxvPvJ/KubQ0Rws0lcZ1T9DPELZhqSCw==
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

2026-09-17T10:10:16.488309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942
observed b92190e72252e5f7595509024d0a581e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.467782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/manifest.json
observed ade01eb142983936d8dcf8865c3bfa54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.446320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/publication.md
observed 428a36c21f5542586004f4be64759f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:16.303239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/publication.txt
observed 8bdf6b2cb61a6136fd956a61f59e787a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.364168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942
observed b92190e72252e5f7595509024d0a581e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.347194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/manifest.json
observed ade01eb142983936d8dcf8865c3bfa54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.329525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/publication.md
observed 428a36c21f5542586004f4be64759f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:13.311325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077942/publication.txt
observed 8bdf6b2cb61a6136fd956a61f59e787a...
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.