OpenTechnical

OT-2026-000077062

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000077062) never changes.

Identity and time

Publication numberOT-2026-000077062 · never reused
Internal UUID01a0ae94-f507-7389-b715-9a7790817a79 · 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-2026-000077062
StatusPUBLIC

Content hashes

Canonical text3e760f3f14346e1abb818530ae79aeb92e49077d41563069a792dc593abd159e
Markdown08af93de7e8d1b53beae744045ab2308b09bb09c55e743534eaba983332144cc
PDF
Publication pagefeada8e01aca2da4d1e62709b9f467107fce17d0e0ed09bdc85668aaa2768b69
Manifest1df3bc20867688cb85fd54e5fb1d207b89903bf987e095756eb910250049000e

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
SignatureMETd4VS6AE6Nr0REBGH2Zh+Nmhd4lXZQukQWEx4lQLqszzQZ4P1JgE7QizsOLana+NT/fFXH2PD9QxrWs9Z5CA==
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

2026-09-17T10:11:23.258357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062
observed feada8e01aca2da4d1e62709b9f46710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.798299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/manifest.json
observed 1df3bc20867688cb85fd54e5fb1d207b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.776848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/publication.md
observed 08af93de7e8d1b53beae744045ab2308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:22.755809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/publication.txt
observed 3e760f3f14346e1abb818530ae79aeb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.740055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062
observed feada8e01aca2da4d1e62709b9f46710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.722880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/manifest.json
observed 1df3bc20867688cb85fd54e5fb1d207b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.703257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/publication.md
observed 08af93de7e8d1b53beae744045ab2308...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.686470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077062/publication.txt
observed 3e760f3f14346e1abb818530ae79aeb9...
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.